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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Pump Out, Don’t Dump Out - Help protect Puget Sound!
The Pump Out, Don't Dump Out campaign reminds boaters that Puget Sound is a No Discharge Zone and encourages them to pump out their boat sewage.
Not your grandparents' auto shop

A new training program at Centralia High School aims to inspire students to pursue careers in renewable energies.This pilot program is made possible with grants from the Department of Ecology.

Get ready to apply for a Public Participation Grant
Have an idea for reducing waste or pollution in your neighborhood? A new application round of Public Participation Grants is about to begin! Grants are worth up to $60,000 a year for up to two years.
Cleaning up: Early cleanup work continues at historic hospital site in Sedro-Woolley

We’re revising one of the early cleanup actions at the Northern State Hospital site in Sedro-Woolley, and we’d like your input.

Stronger together: The promise of connecting North America’s clean energy leaders

On Nov. 2, Director Watson made a preliminary decision to pursue linking Washington’s cap-and-invest carbon reduction program to similar programs in California and the Canadian province of Québec.

What happens in a landfill, doesn't stay in a landfill

Washington has a powerful tool to combat climate change with a new rule requiring stricter requirements for controlling methane emissions from decomposing organic matter in landfills.

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.

It’s #SmokeReady Week in the PNW!

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

Expanding air monitoring for the 2024 wildfire season

Ecology is expanding air monitoring across the state in response to wildfire smoke. 

$183 million proposed for clean water projects across the state

We are proposing to award more than $183 million in financial assistance for 107 high-priority clean water projects across the state.