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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Let's talk about radiation protection at Hanford
Join us for our next Let's Talk About Hanford to discuss Department of Health's radiation regulation work.
Let's talk about Black history at Hanford
Join us for our next Let's Talk About Hanford to discuss Black history at the Hanford Site and in Tri-Cities.
We've seen fire, and we've seen rain...

Goodbye summer smoke — hello cozy winter

A review of the 2022 summer wildfire smoke season and everything you need to know for winter wood stove smoke season.

Meaningful Momentum: CCA updates for May 2022
On May 17, 2022, we proposed rule language for Chapter 173-446 WAC, which establishes the mechanics of the cap-and-invest program. Learn more about this major milestone and other CCA updates!
Tell us about your communities future clean water projects
We need local governments' and utilities' help to participate in the Clean Watersheds Needs survey this year.
Washington’s roadmap to addressing PFAS
PFAS have been in the news a lot lately. These harmful chemicals are widely used in commercial and consumer products. Thankfully, Washington now has a roadmap to address the problem.
Up To $40 million available for streamflow restoration projects
We plan to award $40 million in grants for streamflow restoration projects
Lasting state/industry partnership key to keeping state waters safe from oil spills
Strong partnerships between the state and industry is what prevents oil spills.
Office of Chehalis Basin publication helps basin residents prepare for flooding
Our Office of Chehalis Basin has published a handbook to help basin households prepare for flooding.
Let's talk about Hanford
We'll be holding a series of live events to have conversations with YOU about the Hanford site in Washington. First, though, here's an introduction to Hanford and these live events.