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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Cleaning up: PFAS contamination in the Lower Issaquah Valley

We invite you to comment on legal agreements and associated documents for the Lower Issaquah Valley PFAS cleanup sites.

Environmental justice with boots on the ground

When I joined a Washington Conservation Corps (WCC) environmental justice crew in October 2023, I knew what environmental justice was but I didn’t know what it looked like in practice. 

Air Quality Awareness Week: Knowing your air

May 6-10 2024 is Air Quality Awareness Week and May is national Clean Air Month, a great time to think about and learn how to improve air quality. 

Behind the scenes at the Nuclear Waste Program

We are spotlighting the team that oversees cleanup of the most contaminated nuclear site in the country.

It’s #SmokeReady Week in the PNW!

Learn how to prepare for wildfire season and protect yourself from smoke during Smoke Ready Week. 

Buzz into our next Let's Talk About Hanford

In this end-of-spring edition of Let's Talk About Hanford, we're diving into the exciting world of Hanford's pollinators!

Drought update: water supply in the Yakima Basin and what it means for you

If you live in the Yakima Basin, you know things are looking hot and dry with the irrigation season well under way. Here’s what you need to know about the drought and what it means for your water.