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Rulemaking to protect air quality
A rulemaking is underway at Ecology to reduce air pollution in vulnerable communities.
Hop aboard Ecology's latest electric bus grant!
Ecology's latest grant to support electric school bus purchases can also be used to renew and update existing electric bus fleets.
Air Quality Awareness Week is here!
Air Quality Awareness Week (May 4–8, 2026) is a great time to improve your knowledge of all things related to air quality. Here is a week's worth of information organized around themes for each day.
Two decades later, popular grant program keeps costs and air pollution down
Ecology's Wood Smoke Reduction Grant Program continues to fund popular wood stove recycle and replacement programs across the state.
Findings from the 2025 report on overburdened communities highly impacted by air pollution
Lower wildfire activity and changing traffic patterns stemming from the COVID-19 pandemic reduced air pollution in sensitive areas, but communities still face air quality inequities.
Ecology grants and strong partnerships drive innovative methane reduction at landfills
Grant recipients of Ecology's landfill methane emissions reduction grant program are having success reducing methane emissions with grant-funded projects.
Pedaling toward cleaner air
Ecology's air quality in overburdened communities grant program is reducing air pollution through sustainable transportation.
Cleaner air through better boiling
Early cooperation with Ecology allowed for quick work to improve facility operations with added benefits for air quality.
2025 wildfire season: air quality in review
A review of smoke impacts during the 2025 wildfire season in Washington.
Community solutions for improving air quality
Scientifically-supported community projects receive Climate Commitment Act funds from Ecology to improve air quality in overburdened communities.