Program Template photo identifier

Air Quality Program

We're protecting, preserving, and enhancing the air quality of Washington.

Air quality affects public health, the environment, and our quality of life. Air pollution causes lung disease, makes existing heart and lung disease worse, and is associated with cancer.

The Air Quality Program's goal is to safeguard public health and the environment by preventing and reducing air pollution. Washington's main sources of air pollution are motor vehicles, outdoor burning, and wood smoke.

Cars on the freeway in SeattleMotor Vehicles
Find information about emission testing, diesel exhaust, Washington clean cars, engine idling and air pollution, and other vehicle-related issues.

Picture of a approved wood stove Indoor Burning (Wood Stoves, Fireplaces)
Learn which wood burning devices are legal in Washington, how wood smoke harms your health, and how to reduce wood smoke.

Picture of a legal sized burn pile which is afire Outdoor Burning (Non-Agricultural)
Find out where outdoor burning is banned, what the law says, and what you can do instead of burning.

Picture of a wheat combine Agricultural Burning
Find agricultural burning permit applications and daily burn decisions.

Picture of a clear blue clouded sky Air Monitoring
Learn about Washington's Air Monitoring Network, Washington Air Quality Advisory (WAQA), Air Quality Studies, Air Monitoring Procedures, and Windblown & Construction Dust Information.

Picture of an engineer with a clipboard Air Quality Requirements for Business and Industry
Learn about Air Operating Permits, Environmental Permit Handbook, 1st, 2nd, & 3rd Tier Review, General Orders of Approval, Greenhouse Gas Reporting Program, New Source Review/Notice of Construction, Permit Register, PSD, Registration Program.

Picture of a Washington State map Standards and Plans
Learn about air quality standards, Clean Power Plan, nonattainment areas, and State Implementation Plans (SIPs).

Picture of a law books Program Rulemaking
Find information about current air quality rulemaking activities.

Picture of a bar graph Air Emissions Inventory
Find how much air pollution is emitted by various sources (Air Emissions Inventory) and get Major Point Source Emissions Inventory Assistance.

Picture of the regional haze from pollution Regional Haze
Get information about Washington's Regional Haze SIP, BART, TransAlta, and Washington's Class I areas.

Picture of the hands being shaken Washington Clean Air Agencies
Find the agency responsible for air quality in your county.

grant money Program Grants and Loans
Find out what grant opportunities are available.

A picture of I-5 heading into Seattle



Volkswagen enforcement action

Home Heating Burn Bans
How healthy is your air (map)
Why We Have Burn Bans (blog)
WA Ranks High for Wood Stove Pollution (blog)
How to Operate Your Wood Stove More Efficiently (YouTube)
Selecting a New Stove (YouTube)

Quincy Data Center Information


10 Simple Ways to Reduce Air Pollution

Save Gas and Reduce Air Pollution


see videos on Ecology's YouTube channelWatch videos explaining:
• different types of Burn Bans
Smoke from Indoor Burning
Ozone Pollution