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, showing Africa’s urgent need for stronger air quality monitoring infrastructure. www.sei.org/about-sei/pr...

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. www.frontiersin.org/journals/pub...

Microplastics accumulate in aquatic systems through cross-compartment flux, where poor waste management and bio-based plastics drive persistence and toxicity, showing the urgent need for standardized detection methods and integrated remediation strategies. www.sciencedirect.com/science/arti...

Nottingham Trent University research shows that London’s narrow, tall-building “urban canyon” streets trap PM pollution, showing the need for greener design, AI-driven traffic management, and stricter emission controls to protect pedestrians and cyclists. phys.org/news/2025-09...

The EU Healthy Air Coalition warns that air pollution drives chronic disease and billions in economic costs, urging policymakers to accelerate emissions cuts, set binding methane targets, end fossil fuel subsidies, and curb biomass burning. epha.org/new-infograp...

Limerick City and County Council has launched a real-time public dashboard displaying air quality and noise data from 29 monitoring stations, linking environmental insights to public health and Active Travel routes ahead of Clean Air for Blue Skies Day 2025. www.limerick.ie/council/news...

New analysis warns that air pollution costs over $8 trillion globally and is 2nd leading cause of premature death, but highlights that measures like sustainable transport, renewables, and better waste and crop management can deliver benefits in Asia and the Pacific. blogs.adb.org/blog/smoke-s...

A new UCSD and SDSU study found that sewage-driven H2S emissions in the Tijuana River Valley created dangerous nighttime air pollution levels in South San Diego, posing health risks for communities until emergency water diversions reduced exposures by 95%. www.surfrider.org/news/new-sci...

QuantAQ has unveiled the MODULAIR-UFP, a portable long-term outdoor sensor that precisely measures ultrafine particles using a water-based CPC method, providing real-time data to support research, regulation, and community air quality monitoring. www.envirotech-online.com/news/air-mon...

A new study finds that Whatcom County ranks 4th in the U.S. for the number of cattle animal feeding operations, with 137 facilities that raise fine particle pollution and disproportionately impact vulnerable populations. www.cascadiadaily.com/2025/aug/18/...

Argent Materials has agreed to drop its appeal over a denied expansion permit and install three years of fenceline AQM at its East Oakland facilities in a settlement with the Bay Area Air Quality Management District resolving multiple air quality violations. oaklandside.org/2025/08/14/o...

More than a decade after the 2012 Chevron refinery fire, Richmond residents are using California’s AB 617 program to push for community-driven pollution reduction, though advocates warn its lack of enforcement power threatens its promise of cleaner air. www.kqed.org/news/1205009...

New York officials are urging residents to prep for several days of extreme heat beginning Sunday, with ‘feels-like’ temperatures in the upper 90s, an ozone advisory for the NYC Metro area, and coordinated state agency efforts to protect public health and safety. www.governor.ny.gov/news/governo...

A new GPS Air survey finds that odors, dust, and stuffiness influence public decisions about indoor spaces more than virus concerns, showing the growing demand for visible indoor air quality monitoring and certifications to build trust and business advantage. www.facilitiesdive.com/news/percept...

A deep neural network model accurately predicted PM2.5 levels in Seoul, with SHAP and Vanilla Gradient analysis revealing (NH₄⁺) and (NO₃⁻) as dominant contributors, showing the role of 2nd formation and the pros of dual explainable AI methods for modeling. www.sciencedirect.com/science/arti...

UBC’s Air Pollution Exposure Lab studies how controlled pollutant exposure affects human health, providing critical data to inform public health policies and interventions as wildfire smoke and urban air pollution increasingly threaten Canadians. www.cbc.ca/radio/whitec...

The wearable air quality monitoring system market is rapidly expanding due to rising health concerns, technological advancements, and AI integration. www.precedenceresearch.com/wearable-air...

The EPA’s air quality rules rely heavily on uncertain links between PM2.5 and mortality, raising calls for reform to better account for scientific uncertainty, costs, and local flexibility. www.cato.org/white-paper/...

A new study finds that recent accelerated global warming is partly due to East Asia’s major air pollution reductions, which have unmasked previously hidden greenhouse gas-driven warming by removing the cooling effect of sulfur emissions. The irony is palpable. www.sciencealert.com/chinas-clean...

A study finds that sectors like shipping, aviation, and construction face far looser nitrogen oxide pollution limits than homes or cars, risking rising emissions even with low-carbon fuels. www.theguardian.com/environment/...

A new report from the Royal College of Physicians urges the UK to treat air pollution as a public health crisis, with contributions from University of York scientists highlighting its broad health impacts and the need for systemic policy change. ncas.ac.uk/ncas-researc...

New research from Delhi, Tbilisi, and Mexico City shows that providing better information about air pollution can influence behavior and raise awareness, but willingness to pay (WTP) for clean air or pollution alerts remains relatively low. blogs.worldbank.org/en/impacteva...

Pilots in the Bakersfield area are invited to host or fly with ozone sensors to help scientists improve air quality data and models using NASA’s satellite and ground-based measurements. science.nasa.gov/get-involved...

A new study from Washington University maps 25 years of PM1 pollution across the U.S., shedding light on these ultra-fine particles that may pose even greater health risks than PM2.5. www.sustainability-times.com/research/25-...

The World Bank's new report highlights the urgent need for coordinated air quality management across Central Asia, where PM2.5 levels often exceed WHO guidelines and contribute to over 65,000 premature deaths annually. www.worldbank.org/en/region/ec...

A new initiative led by the University of Lagos is deploying low-cost sensors and AI to monitor PM2.5 pollution in Lagos and Port Harcourt, aiming to close Nigeria’s air quality data gap and inform policy reforms. thesun.ng/lagos-port-h...

Bangkok has launched the “Dust DNA” project in partnership with China and the private sector to install a Super Station for real-time chemical analysis of PM2.5 pollution. The initiative aims to identify pollution sources and inform targeted policies. pr-bangkok.com?p=498028

The Copernicus Sentinel-4 mission introduces groundbreaking, near real-time air quality monitoring over Europe and northern Africa by measuring pollutants like nitrogen dioxide and ozone from geostationary orbit. www.esa.int/Applications...

A new multinational study reveals that long-term exposure to fine particulate air pollution (PM2.5) is linked to menstrual cycle irregularities, suggesting potential disruptions to hormonal health. news.ucdenver.edu/groundbreaki...

Researchers used airborne eDNA collected from a national air quality monitoring network to conduct the first large-scale survey of terrestrial biodiversity via metabarcoding. www.nature.com/articles/s41...

Researchers have developed a high-speed simulation method that drastically improves how we model the movement of harmful nanoparticles in air, cutting computation time from weeks to hours. www.eurekalert.org/news-release...

Congress has voted to overturn a Clean Air Act rule that required industrial facilities to maintain strict pollution controls even after reducing emissions, marking the first rollback of the law’s protections. www.npr.org/2025/05/22/n...

Portsmouth’s new “Air Quality Heroes” campaign highlights the benefits of sustainable travel by sharing real-life stories of residents using public transport, cycling, and walking. www.portsmouth.gov.uk/changing-per...

The CDC, through its Agency for Toxic Substances and Disease Registry (ATSDR), has completed an evaluation of air pollution near the Veolia North America-Trade Waste Incineration facility in Sauget, Illinois. www.bnd.com/news/local/a...

The City of Shoreline has launched "Pedal Forward," a $670,000 program offering free e-bikes and safety gear to residents in overburdened neighborhoods as part of its Climate Action Plan to cut transportation-related emissions. www.seattleschild.com/100-free-ebi...

Westminster City Council is trialing air purifiers in central London restaurants to reduce PM2.5 emissions from cooking, the borough’s third-largest source of air pollution. www.bbc.com/news/article...

Southeast Asia recorded one of its lowest fire-related emission levels since 2003, despite intense fire activity in March and April affecting air quality in Thailand, Laos, and Vietnam. atmosphere.copernicus.eu/wildfires-20...

Fairbanks, Alaska has cut wintertime PM2.5 pollution nearly in half since 2015 through cleaner woodstove replacements, better fuel practices, and sustained monitoring, despite persistent challenges from extreme temperature inversions and heating practices. alaskabeacon.com/2025/05/12/l...

Two clean energy bills — SB 132, expanding the Nevada Clean Energy Fund, and AB 458, removing solar barriers for affordable housing — offer lawmakers the chance to reduce pollution, protect health, and build a safer, more resilient future. lasvegassun.com/news/2025/ma...

Low-cost PM2.5 sensors (PM2.5LCSs) are valuable for expanding air pollution monitoring, but their limited accuracy necessitates careful calibration. pubs.acs.org/doi/10.1021/...

A new study shows that air pollution significantly alters the nasal microbiota of school-age children, with particulate and gaseous pollutants like black carbon and VOCs reducing beneficial bacteria in winter. www.news-medical.net/news/2025050...

The CARB has awarded a record $20.9 million to 51 projects through its Community Air Grants program, supporting local efforts to monitor and reduce air pollution in some of the state’s most impacted areas. ww2.arb.ca.gov/news/califor...

The Trump administration briefly suspended air-quality monitoring at all 63 U.S. national parks, halting data collection critical for regulating pollution and protecting public health—though the decision was later reversed following internal pushback. www.washingtonpost.com/climate-envi...

European scientists chased a falling satellite by jet to better understand the air pollution caused by satellite reentries—an emerging concern as launches surge. www.space.com/space-explor...

Cooler spring weather briefly delayed allergy symptoms in Toronto, but rising temperatures are now triggering a surge in highly allergenic pollen like birch, ash, and oak. www.cp24.com/news/2025/05...

Cape Cod National Seashore scientists are using long-term air quality and precipitation monitoring to track improvements in ecosystem health, such as a 20-fold reduction in pond acidity since the 1990s. www.nps.gov/caco/learn/n...

Caltech is hosting a free webinar, May 2, on their ongoing research to monitor and publicize data about air pollution post-fires. caltech.zoom.us/webinar/regi...

Scientific research has been essential to protecting America’s national parks for over a century, but recent funding cuts, staffing losses, and policy rollbacks are threatening this legacy. www.npca.org/articles/773...

What do you think about applying emissions trading systems to air pollution control? Would a market-based approach work in other industries — or even other countries? Thank you @mongabayindia.bsky.social for the eye catching story. india.mongabay.com/2025/04/trad...

Nose hairs might be unsightly, but they play an important role in protecting you from airborne irritants. Spare a moment for this unsung hero of the innate immune system. airquality.news/nose-hair-th...