Contamination News Headlines

The Nome Nugget | 30 October 2025 | Dust pollution in Nome, Alaska, has reached near-hazardous levels, prompting health advisories urging residents, especially vulnerable groups, to stay indoors, wear masks, and limit outdoor activity until rain or snow reduces the PM10 dust stirred up by traffic and dry fall conditions.

Newsweek | 30 October 2025 | The 2025 State of Global Air report shows that parts of California, Nevada, and Arizona experienced the highest U.S. ozone pollution levels, exceeding WHO targets, driven by heat waves, wildfires, and transboundary pollution, posing major respiratory risks to vulnerable populations.

The Guardian | 29 October 2025 | A new Environmental Integrity Project report found that every fully operational U.S. liquefied natural gas (LNG) terminal has violated federal air or water pollution limits since 2022, even as the Trump administration accelerates approvals for new export facilities despite repeated Clean Air and Clean Water Act breaches.

Washington State Department of Ecology – | WA.gov | 29 October 2025 | Washington’s Department of Ecology has launched a $25 million “Rails, Keels, and Wheels” grant program to help businesses and nonprofits replace old diesel-powered vehicles and equipment with cleaner or zero-emission alternatives, aiming to cut thousands of tons of air pollution statewide.

Illinois Institute of Technology | 28 October 2025 | A study by Illinois Tech, the University of Texas at Arlington, and Elevate found that improved residential ventilation systems, especially energy recovery ventilators, significantly enhanced indoor air quality and reduced asthma symptoms, particularly among lower-income and Black households in Chicago.

ScienceDirect.com | 28 October 2025 | This study introduces two new CO₂-based surrogates, per-person dilution (pCO₂) and room dilution (rCO₂), to more accurately interpret airborne infection risk by accounting for both emission and removal dynamics of infectious aerosols in indoor environments.

SatNews | 27 October 2025 | Europe’s new Copernicus Sentinel-4 mission has captured its first air quality images from geostationary orbit, providing hourly, high-resolution data on pollutants like nitrogen dioxide, ozone, and sulphur dioxide to enhance pollution monitoring and forecasting across the continent.

Nature | 27 October 2025 | The UK’s air quality management system limits genuine public participation by involving citizens only after pollution thresholds are breached, highlighting the need for structural reform that values local knowledge and embeds community input throughout decision-making processes.

Santa Barbara County Air Pollution Control District | 26 October 2025 | California has expanded the Protecting Blue Whales and Blue Skies program statewide, reducing ship speeds to prevent whale strikes and cut emissions by 27%, equivalent to removing 900,000 cars from the road annually.

ResearchGate | 26 October 2025 | A nationwide French study found that prenatal exposure to fine particulate matter (PM2.5), black carbon, and nitrogen dioxide increases the risk of childhood acute leukemia, particularly acute lymphoblastic leukemia, supporting a link between early-life air pollution and cancer risk.

Human Rights Watch | 25 October 2025 | Human Rights Watch reported to the UN that weak regulation and enforcement of air quality standards in countries such as the U.S., Türkiye, Bosnia and Herzegovina, and the UAE allow fossil fuel operations to emit dangerous pollution, disproportionately harming marginalized communities and violating the right to health.

ESS Open Archive | 25 October 2025 | Satellite data from 2019–2024 show that 79% of 1,400 cities worldwide experienced significant declines in tropospheric NO₂, led by major reductions in China and Europe, while increases were observed in parts of the Middle East and South Asia, notably Tehran and Cairo.

WREX | 24 October 2025 | In recent years, wildfire smoke from Canada’s prairies has increasingly degraded surface air quality in northern Illinois and southern Wisconsin, marking a shift from previously higher-altitude California smoke and underscoring changing environmental impacts on regional air conditions.

BBC | 24 October 2025 | Delhi’s air quality plunged to its worst post-Diwali levels in four years as a mix of firecracker emissions, vehicle pollution, and renewed stubble burning across Punjab, Haryana, and Uttar Pradesh combined with stagnant winter air to trap toxic haze over the city.

Southern Environmental Law Center | 23 October 2025 | A Harvard School of Public Health report commissioned by the Southern Environmental Law Center found that Santee Cooper and Dominion Energy’s proposed Canadys methane gas plant could expose over two million people to harmful PM2.5 pollution, disproportionately affecting Black and low-income communities and costing up to $36 million annually in health-related impacts by 2040.

E&E News | 23 October 2025 | Environmental groups filed a lawsuit challenging the Trump administration’s use of “presidential exemptions” that granted 50 chemical plants and refineries two extra years to meet toxic emission limits, arguing the move unlawfully exceeds presidential authority under the Clean Air Act.

NDTV | 22 October 2025 | Research from Delhi University’s Dr. S.K. Dhaka found that post-Diwali pollution spikes were primarily caused by locally used “green crackers,” not stubble burning from neighboring states, revealing that Delhi’s air quality issues are largely local in origin.

Reuters | 22 October 2025 | New Delhi’s air quality reached hazardous levels after Diwali celebrations, with IQAir recording a PM2.5 concentration 59 times above WHO limits and an AQI of 442, making it the most polluted major city in the world despite partial restrictions on firecracker use.

UC Davis Health | 21 October 2025 | UC Davis and Virginia Tech are leading a $40 million ARPA-H–funded project called BRAVE to develop smart-building “smoke alarm” systems that detect airborne pathogens and automatically improve indoor air quality to reduce respiratory illnesses.

Technology Networks | 21 October 2025 | A study in Environment International found that prenatal exposure to fine particulate pollution (PM2.5) slows early brain myelination in newborns, suggesting air pollution may hinder initial stages of brain maturation.

ScienceDirect.com | 20 October 2025 | A long-term study in Ghana found that providing clean LPG cookstoves to pregnant women significantly lowered their blood pressure for up to eight years postpartum, highlighting the cardiovascular benefits of reducing household air pollution.

Times of India | 20 October 2025 | The Commission for Air Quality Management (CAQM) has issued new directives aimed at strengthening pollution control and improving air quality management across the National Capital Region.

The New Indian Express | 19 October 2025 | Experts report that worsening air quality in northern India stems from rising stubble burning across both Indian and Pakistan’s Punjab, with Pakistan recording ten times more farm fires and smoke drifting eastward across the border.

Yahoo | 19 October 2025 | PurpleAir sensors detected elevated particulate pollution across the Bay Area on Saturday, with haze and smoke from Central Valley agricultural burns pushing air quality into the “unhealthy for some” range.

Al Jazeera | 18 October 2025 | For the first time, the G20 summit in Cape Town is prioritizing clean air, addressing global pollution that causes 5.7 million deaths annually amid limited international funding for air quality initiatives.

BBC | 18 October 2025 | Jersey’s 2024 air quality report shows continued year-on-year improvement, with nitrogen dioxide levels steadily declining since 2000 under the island’s Carbon Neutral Roadmap.

Nature | 17 October 2025 | The study finds that efficient, liquid carbon trading markets in China lead to measurable short-term improvements in air quality, particularly through reductions in PM2.5 levels.

Williams Mullen | 17 October 2025 | Jessie King will moderate a panel on “PFAS Updates and TSCA Happenings” at the 2025 CAPCA Fall Meeting in Myrtle Beach, where Williams Mullen is a Gold sponsor.

ScienceDirect.com | 16 October 2025 | A new diffusive ozone sampler validated at Ny-Ålesund, Svalbard, showed strong agreement with ultraviolet analyzer readings and high self-consistency across sampling periods, confirming its reliability for long-term polar ozone monitoring.

Nature | 16 October 2025 | The study presents FLPSO-AMPS, a fuzzy logic and particle swarm optimization-based routing method that improves energy efficiency, reliability, and data delivery in wireless sensor networks for air pollution monitoring in smart cities.

Animal Legal Defense Fund | 15 October 2025 | The Animal Legal Defense Fund and partner groups appealed a federal court ruling that upheld an EPA rule exempting factory farms from reporting hazardous air emissions like ammonia and hydrogen sulfide, arguing the exemption violates the Emergency Planning and Community Right-to-Know Act and leaves nearby communities unprotected from toxic pollution.

90.5 WESA | 15 October 2025 | Carnegie Mellon University’s CREATE Lab and Climate TRACE launched a global map visualizing particulate pollution from over 9,500 industrial sources, linking emissions to nearly 9 million annual deaths and supporting environmental justice advocacy worldwide.

Cornell Chronicle – Cornell University | 14 October 2025 | Cornell University and the Environmental Defense Fund are studying how dust and wildfire air pollution has evolved since 1850 to better predict future impacts on health, mortality, and economies, with a focus on Latin America.

JD Supra | 14 October 2025 | The Tennessee Air Pollution Control Board fined Southern Ionics Inc. $3,000 after determining its Calhoun facility exceeded sulfur dioxide emission limits and failed to report hydrogen chloride emissions in violation of its air permit.

The Economic Times | 13 October 2025 | Delhi’s air quality remained poor on Sunday with an AQI of 168, as PM2.5 reached 74 µg/m³ and PM10 hit 159 µg/m³, prompting health precautions despite clear skies and comfortable temperatures.

Signal Akron | 13 October 2025 | At a community meeting about Akron’s new $85 million North High School, residents requested features like green space, natural light, better air quality, and athletic facilities, while architects outlined a timeline aiming to complete construction by March 2029 and pledged to prioritize comfort, sustainability, and community input.

Dawn | 12 October 2025 | The fear of smog has already started lingering upon us. We are once again bracing ourselves to choke in our own neglect. Are we doomed to suffer every year, through climate change, mismanagement, broken promises, or is it just bad luck?

Panorama.am | 12 October 2025 | Yerevan’s air quality index reached 85.9 for PM2.5 on Saturday, classified as “moderate”, with Mayor Tigran Avinyan noting it’s acceptable for most residents but could affect those with health conditions.

Pittsburgh’s Public Source | 11 October 2025 | Carnegie Mellon’s CREATE Lab expanded its Plume Pittsburgh pollution-tracking platform into Climate TRACE, a global tool unveiled by Al Gore that visualizes emissions from nearly 10,000 industrial sites worldwide, helping expose “super-emitters” and empower communities through transparent, justice-focused air quality data.

ScienceDirect.com | 11 October 2025 | Using an extended quantile g-computation model with spatial Bayesian analysis, researchers found that higher mixtures of PM2.5, NO₂, SO₂, O₃, and CO were linked to reduced birth weight in 21 Georgia counties, highlighting localized pollution impacts on infant health.

ScienceDirect.com | 10 October 2025 | Imported solar panels displaced 305 TWh of fossil power and prevented 178 million tons of CO₂ and nearly 600 premature deaths in the U.S. from 2014–2022, showing that global solar supply chains yield major health and climate benefits that offset about half their cost.

Time Magazine | 10 October 2025 | Heat pump startup Jetson is cutting installation costs by using remote project assessments and launching its own monitored unit, Jetson Air, which tracks air quality and filter status—while robotics firm Figure AI prepares to deploy its humanoid Figure 03, designed to handle household tasks and improve through large-scale data training.

ScienceDirect.com | 9 October 2025 | Using machine learning, researchers mapped PM2.5 hotspots in New York City from 2010–2019 and showed that congestion pricing and traffic restrictions most effectively and equitably reduce urban air pollution.

The Bay State Banner | 9 October 2025 | Boston awarded $1.12 million through its 2025 Community Clean Air Grants to six community projects in environmental-justice neighborhoods, supporting efforts in schools and along transit corridors to monitor and reduce pollution, educate residents, and build partnerships that advance local air-quality improvements and health equity.

NC DEQ – NC.gov | 8 October 2025 | North Carolina’s Division of Air Quality is taking public comments through Nov. 19 and holding hearings Nov. 13 (Mooresville) and Nov. 18 (Lexington) on draft permits to add new gas turbines and generators at Transco compressor Stations 150 and 155 with modeling indicating no exceedance of toxic ambient levels.

Climate Policy Initiative | 8 October 2025 | The 2025 State of Global Air Quality Funding report warns that despite major donor cuts and the closure of USAID, countries have committed to halving air pollution’s health impacts by 2040, emphasizing that integrated air quality and climate policies could save over 2 million lives annually and boost global GDP by up to $2.4 trillion.

ACS Publications – American Chemical Society | 7 October 2025 | Researchers found that the choice of central metal in π-extended porphyrin-based heterojunction sensors strongly affects performance, with nickel-centered devices showing ultrafast and highly sensitive ammonia detection, while zinc-centered ones excel in precise humidity monitoring.

Nature | 7 October 2025 | A Northern Ireland study found that long-term exposure to PM2.5 levels above 9.6 µg/m³ increased lung cancer risk by 37%, with a stronger effect in women, highlighting that even low pollution levels can significantly impact health.

KROC News | 6 October 2025 | Mayo Clinic received federal funding from the Advanced Research Projects Agency for Health to develop AI-driven biosensors and smart filtration systems that monitor and improve indoor air quality in hospital emergency departments across its Minnesota, Florida, and Arizona campuses.

Space | 6 October 2025 | A University of Memphis study found that Elon Musk’s xAI data center in southwest Memphis caused only a slight, 1% increase in fine particulate pollution, confirming that while the facility’s turbines minimally affected local air quality, long-standing industrial pollution remains a major health concern for nearby residents.

ScienceDirect.com | 5 October 2025 | The study introduces FCGformer, a deep learning model that combines frequency-domain convolution and graph-based transformers to better capture complex global and local spatiotemporal patterns in air pollution, achieving higher forecasting accuracy than existing models.

The Earthshot Prize | 5 October 2025 | Bogotá’s comprehensive clean air plan, combining greener transport, expanded cycling, urban greening, and low-emission zones, has cut air pollution by 24% since 2018 and positioned the city as a global model for sustainable urban transformation.

Climate and Clean Air Coalition (CCAC) | 4 October 2025 | The Climate and Clean Air Coalition released updated AQMx guidance to help countries and cities strengthen air quality management through step-by-step actions, expanded monitoring, public engagement, and stronger legal frameworks on the path toward sustained clean air.

LAist | 4 October 2025 | An explosion and fire at Chevron’s El Segundo refinery raised air quality concerns as officials reported elevated but quickly subsiding VOC levels, while experts urged stronger monitoring to detect potential toxic emissions like benzene.

Nature | 3 October 2025 | A new review highlights that while low-cost air quality sensors are expanding access to pollution monitoring worldwide, their accuracy, calibration, and lack of standardized protocols remain major challenges, especially in mobile, drone, and citizen science applications.

The Guardian | 3 October 2025 | After nearly 30 years of air quality policies, Santiago, Chile saw its third best year for reduced pollution episodes in 2025, with hours of high exposure down 66% over the last decade, though challenges remain.

NC DEQ – NC.gov | 2 October 2025 | North Carolina’s Division of Air Quality awarded $1.14 million in DERA-funded grants to replace or retrofit 20 older diesel vehicles and equipment (including some with electric and CNG alternatives), projected to cut 3,483 tons of CO₂, 57 tons of NOx, and 7,700 pounds of PM2.5 over their lifetimes.

World Health Organization (WHO) | 2 October 2025 | A new WHO policy summary emphasizes that land use planning plays a critical role in shaping exposure to air pollution and its health impacts, urging integrated policies that connect planning, regulation, and enforcement to reduce pollution and improve public health worldwide.

Armenia signed a $1.7 million grant agreement with Japan to modernize its air quality monitoring stations, improve data quality, and strengthen environmental forecasting.

Envirotech Online | 30 September 2025 | Airvoice, a global air quality technology company founded in 2021, will showcase its AI-driven real-time monitoring and management solutions for buildings and cities at CEM 2025.

WBZ NewsRadio 1030 – iHeart | 30 September 2025 | Boston awarded over $1.1 million in Community Clean Air Grants to six organizations for projects including air quality monitoring, education campaigns, and pollution mitigation to improve public health and reduce exposure across city neighborhoods.

The Boulder Reporting Lab | 29 September 2025 | Colorado health officials rejected Xcel Energy’s initial coal ash cleanup plan at the Valmont Power Station, citing inadequate protections against toxic dust and groundwater contamination, and ordered a stronger strategy before the decade-long, $60–70 million project can begin.

The Guardian | 29 September 2025 | Latino communities across the U.S. are installing local air quality sensors to track harmful pollution, fill data gaps, and advocate for stronger protections as federal regulations are rolled back.

KAWC | 28 September 2025 | Gadsden Elementary School District #32 has launched the Air Quality Flag Program to help students and families track daily pollution levels and take precautions, especially for children with respiratory conditions.

American Journal of Managed Care | 28 September 2025 | New research presented at the European Respiratory Society Congress 2025 suggests that a diet high in fruits may help protect women’s lung function from the harmful effects of air pollution, though reducing pollution remains the most important priority.

Providence Business News | 27 September 2025 | PACE Organization of Rhode Island reports that air quality alerts now cause senior visit cancellations to double to nearly 30%, as vulnerable participants face heightened health risks.

Wyoming Public Radio | 27 September 2025 | Wyoming’s Department of Environmental Quality has stationed a mobile air monitoring unit in Wright for a year to track pollutants after the county received a failing air quality grade from the American Lung Association.

SBU News – Stony Brook University | 26 September 2025 | The GOTHAAM airborne mission, the largest of its kind over New York City, used NSF/NCAR’s C-130 aircraft to study how urban, forest, ocean, and wildfire emissions interact to form smog and pollutants, aiming to generate a high-resolution baseline of atmospheric chemistry to inform public health and climate research.

California Air Resources Board – CA.gov | 26 September 2025 | The California Air Resources Board adopted its 2025–2030 Five-Year Strategic Research Plan, prioritizing health, air quality, climate, mobile sources, and sustainable communities research to guide science-driven policymaking amid federal regulatory rollbacks.

The Washington Post | 25 September 2025 | A study of nearly 30,000 schoolchildren in Tianjin, China found that long-term exposure to fine particulate matter and nitrogen dioxide increases the risk of myopia, making air quality a modifiable factor in protecting children’s eyesight.

Stockholm Environment Institute | 25 September 2025 | A joint study in Dar es Salaam found PM2.5 and PM10 levels far above WHO limits, while nearly half of South Africa’s monitoring stations were offline in 2025, underscoring Africa’s urgent need for stronger air quality monitoring infrastructure.

Nature | 24 September 2025 | A study in Northern Sweden found no significant link between low-level air pollution and telomere length overall, though inconclusive hints of longer telomeres among individuals later diagnosed with dementia highlight the need for further research on pollution’s cellular impacts.

UNECE | 24 September 2025 | Experts under the UNECE Air Convention are developing scenarios and new monitoring tools to guide the Gothenburg Protocol revision, aiming to cut air pollution-related health and ecosystem impacts by 50% by 2040 compared to 2015 levels.

Frontiers | 23 September 2025 | A large-scale study in China finds that worsening air pollution significantly reduces residents’ participation in fitness activities, with impacts varying across gender, age, education, and household status.

Yale Climate Connections | 23 September 2025 | As federal air pollution regulations are rolled back, Moms Clean Air Force is mobilizing parents to push for stronger state and local policies to protect children’s health and fight climate change.

Farmonaut | 22 September 2025 | Mining in Arkansas continues to drive the state’s economy in 2025, but both gold extraction and strip mining cause severe environmental harm, degrading air, water, soil, and biodiversity, unless countered by sustainable practices, reclamation, and new monitoring tools like satellite-based systems.

The Realty Today | 22 September 2025 | Smart homes are increasingly using circadian lighting and air quality monitors to align light and air with human biology, improving sleep, mood, productivity, and long-term health through responsive, wellness-focused design.

Planet Detroit | 21 September 2025 | An EPA engineer testified that Michigan’s EES Coke Battery has violated the Clean Air Act by emitting over 3,000 tons of sulfur dioxide annually without required desulfurization controls, which could have cut emissions by 95%, exposing the facility to more than $300 million in potential penalties.

KOMO News | 21 September 2025 | Wildfire smoke from the Bear Gulch Fire has pushed PM2.5 pollution in Mason and Thurston Counties to unhealthy levels, prompting an air quality alert and health warnings through Saturday night.

Stockholm Environment Institute | 20 September 2025 | Colorado adopted its first health-based standards for five toxic air pollutants, setting strict cancer risk levels but weaker non-cancer protections after industry pushback, with emission limits to follow in 2026.

KLCC | 20 September 2025 | Despite smoky conditions in Eugene on Thursday, air quality only reached the “moderate” range, with officials attributing the haze to distant wildfires and noting levels should improve as winds shift north.

ScienceDirect.com | 19 September 2025 | Microplastics accumulate in aquatic systems through cross-compartment flux, where poor waste management and even bio-based plastics drive persistence and toxicity, highlighting the urgent need for standardized detection methods and integrated remediation strategies.

Daily Bruin | 19 September 2025 | UCLA researchers launched a community air quality monitoring network in Pacific Palisades after the wildfire to track harmful particles from reconstruction and provide residents with real-time, accessible data and alerts.

The Colorado Sun | 18 September 2025 | The northern Front Range saw only 23 ozone violation days in summer 2025, down from 41 in 2024 and a record 67 in 2021, thanks largely to favorable weather, though researchers continue refining models to guide long-term emission reduction policies.

TribLIVE.com | 18 September 2025 | At a packed public hearing, residents questioned state regulators over health risks from emissions at a proposed 4.5-gigawatt natural gas plant in Homer City, while officials said projected pollution levels remain below concern thresholds.

CBS News | 17 September 2025 | Airline crews report more than three toxic fume events a day on U.S. flights, most often on Airbus A320s, raising health concerns despite industry assurances that cabin air meets safety standards.

BBC | 17 September 2025 | A new study finds that Delhi’s severe air pollution is forming damaging “black crusts” on the Red Fort’s sandstone walls, threatening its carvings and historic architecture without urgent conservation measures.

ScienceDirect.com | 16 September 2025 | Exposure to particulate matter and endocrine-disrupting chemicals may worsen cardiovascular, bone, and menopausal symptoms in midlife women, highlighting the need for targeted air quality monitoring and healthcare strategies.

Eumetsat | 16 September 2025 | Europe’s new 3MI satellite instrument has delivered its first images, showcasing unprecedented ability to monitor atmospheric particles for improved weather forecasts, air quality tracking, and climate monitoring.

scsuntimes.com | 15 September 2025 | The Delaware City Refinery illegally emitted hundreds of tons of sulfur dioxide and other pollutants over 18 days in May and June, exceeding its annual permit limit and violating seven environmental laws and conditions.

Lookout Santa Cruz | 15 September 2025 | A Monterey County judge upheld permits for toxic fumigants near schools despite air monitor data showing exposures above safety limits, rejecting claims that regulators failed to consider safer alternatives or cumulative impacts of pesticide use.

Center for Biological Diversity | 14 September 2025 | California lawmakers passed Senate Bill 237, allowing up to 20,000 new oil and gas wells in Kern County without environmental review, a move critics warn will worsen pollution, climate impacts, and public health while benefiting Big Oil.

ABC News – The Walt Disney Company | 14 September 2025 | California lawmakers are set to vote on extending Gov. Gavin Newsom’s cap-and-trade program through 2045, rebranded as “cap and invest,” to fund climate initiatives and stabilize energy costs, though critics argue it lacks strong protections for vulnerable communities and could raise living expenses.

Science | 13 September 2025 | A Science study shows that heat from western U.S. wildfires reduces fine particle pollution in the East by altering weather patterns, preventing about 1,200 premature deaths and $3.3 billion in losses otherwise overlooked.

Yale E360 | 13 September 2025 | A new Science study finds that extreme western U.S. wildfires can improve East Coast air quality by altering weather patterns. Intense heat from the fires disrupts west-to-east airflow, pulling in moist Atlantic winds that suppress smoke spread and increase rainfall, which washes pollutants from the air.

Chicago Sun-Times | 12 September 2025 | Chicago has completed installation of 277 advanced air pollution sensors to track PM2.5 and nitrogen dioxide, creating the largest city-led monitoring network in the U.S. and providing public neighborhood-level data by early 2026.

Worcester Business Journal | 12 September 2025 | Massachusetts lawmakers are considering bills to expand the state’s air quality monitoring network by installing new sensors in pollution hotspots, tracking ultrafine particles and black carbon, and requiring a 75% pollution reduction in those areas by 2035, with advocates stressing urgent protections for children and environmental justice communities.

ScienceDirect.com | 12 September 2025 | A study using a mixed-frequency VAR model finds that AI’s impact on U.S. carbon emissions follows an increase–decrease–rebound pattern, highlighting both its potential and risks for air quality and calling for integrated policies to maximize environmental benefits.

Phys.org | 11 September 2025 | Nottingham Trent University research shows that London’s narrow, tall-building “urban canyon” streets trap particulate pollution at dangerously high spikes, highlighting the need for greener design, AI-driven traffic management, and stricter emission controls to protect pedestrians and cyclists.

Fox 11 | 11 September 2025 | Wisconsin’s DNR has launched an upgraded, user-friendly real-time air quality map, with prominent advisories, a news box, streamlined navigation, and an “Orange or Above” AQI filter, to help residents stay safer during ozone and wildfire smoke events.