Air quality

Everyone deserves clean air to breathe and a sustainable future that responds to challenges presented by climate change. To reach these goals, we regulate harmful emissions from vehicles, burning, and industrial activities to help protect air quality and reduce greenhouse gases that increase temperatures around the globe.
Everyone deserves clean air to breathe and a sustainable future that responds to challenges presented by climate change. To reach these goals, we regulate harmful emissions from vehicles, burning, and industrial activities to help protect air quality and reduce greenhouse gases that increase temperatures around the globe.

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Comment today on cleanup plans for a closed landfill in Snohomish County

The public is invited to comment on cleanup plans for a recently closed landfill in Snohomish County

New budget air filters to hit market

In response to worsening wildfires, EPA held a prize competition encouraging the creation of more affordable air filters. Ecology supported the competition during its first phase. 

Supporting a drier Yakima Basin in 2024

The Yakima Basin is heading into summer with a projected 72 percent of normal water supply. Here's how we're preparing for reduced water supply and minimizing the impacts on people, fish, and farms.

Reflecting on World Water Day and protecting Washington’s freshwater resources

Celebrating World Water Day and reflecting on Ecology's role in protecting state freshwater resources

Cleaning up: A Avenue Landfill

We'd like your comments on a legal agreement for investigating contamination at an old landfill in Anacortes.

Cleaning up: Sampling at Gas Works Park slated to begin in April

Sampling work at Gas Works Park in Seattle will begin in April.

Up to $10.7 million is still available for water banking projects

Eligibility has expanded for Ecology's Water Banking Pilot Grants.

Everyone wins when communities recycle and replace old wood stoves

The Wood Smoke Reduction Grant Program supports programs that provide financial incentives for residents to recycle or replace qualifying wood stoves with cleaner burning upgrades and alternatives. 

Can’t beat the VEAT!

Knowing the number of vessels entering Washington waters helps us better understand oil spill risk and how it changes over time. This year marks the 30th anniversary of our VEAT report!

West Point Treatment Plant water quality permit now issued

We've now issued the final permit for the West Point wastewater treatment plant in Seattle. It strengthens protective measures for Puget Sound with updates that match current water quality rules.