Enforces federal, state and local air pollution laws and regulations in King, Kitsap, Pierce and Snohomish counties.

(206) 343-8800

If your business emits air pollution, you may need to register your business with PSAPCA. Here you will find information about registering a business and what annual fees must be paid.

(206) 343-8800

Areas of concern include: indoor and outdoor air quality, stationary and mobile sources of air pollution, radon, acid rain, stratospheric ozone depletion and pollution prevention.

Information about the Air Quality Office, and links to other sources of information.

The home page of the Department of Ecology Air Quality Program, the principal air quality management agency for the State of Washington.

Commonly required environmental permits for Washington State.

A free, non-governmental service providing information and technical assistance to businesses in the Duwamish industrial corridor on pollution prevention and contaminated land clean-up processes.

Links to small business assistance programs and state pollution prevention programs.

Provides information to help small businesses in the region learn about pollution prevention and how it may help them become more efficient and compliant with environmental regulations.

A worldwide network of more than 14,000 individuals from industry, government and the legal, consulting, research and academic communities who engage in the exchange of technical and managerial information.

Working to prevent lung disease and promote lung health. This site has information on air quality and lung health issues.

A fact sheet on puget sound air quality and air pollution standards.

These numbers reflect the highest Pollutant Standard Index for a specific area during the previous 24-hour period as well as which pollutant is most prevalent for each location.

Information on common indoor air pollutants and their sources.