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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VIDEO: Finding solutions for the Chehalis basin

Ecology is currently taking comments on our environmental review of solutions proposed for the Chehalis Basin.

Chehalis River Basin Flood Authority earns national floodplain management award

The Chehalis River Basin Flood Authority, a partner helping develop and carry out the Chehalis Basin Strategy, earned a prestigious national award.

Our 5 most popular science reports
Our scientists publish about 100 scientific documents every year. The five most popular range from studies using the Salish Sea Model to instructions for gaining lab accreditation.
Ready for summer!
Halfway through this year of pandemic and upheaval, summer brings much to do — and appreciate.
Creating a consistent approach for evaluating greenhouse gas impacts
In December 2019, Gov. Jay Inslee directed us to develop consistent, comprehensive standards for evaluating greenhouse gas emissions from major new projects.
Earth Day at home – celebrate what makes Washington great (and our birthday!)
Washington's beauty is timeless, and personal choices to protect that beauty must be renewed every day.
Helping communities reduce risks before floods, find solutions in the aftermath
In February, 2020, flooding brought the biggest disaster in decades to Southeast Washington. Learn how we're helping communities recover and improve their resiliency to future floods.
Smoke chokes Washington – air quality worst in the nation
Almost every community in the state has been hit hard by smoke blowing in from British Columbia wildfires. You can see it, you can almost reach out and touch it, and many of us are feeling it.
Homeless encampment cleanup will help protect Washington residents from contamination
Gov. Inslee’s proposed budget provides funds for homeless encampment cleanup and support, which protects the environment and people, including those experiencing homelessness.
The best solution is less pollution…
Fifty years ago, Washington’s Clean Air Act was adopted in order to improve air quality for Washingtonians. (Pt. 2 of 3)