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Air Quality Program

Air Monitoring

This web site contains information about Washington's air monitoring network, and offers real-time air monitoring data in many areas of the state.

Ecology uses the Washington Air Quality Advisory, or WAQA, to tell people when air quality is healthy or unhealthy. Learn more about WAQA.

View Ecology's 2013 Ambient Air Monitoring Network Report

QUICK LINKS


Real-time air monitoring data

Air Quality ratings factsheet, WAQA (Washington Air Quality Advisory) (PDF)

El Índice de la Calidad de Aire de Washington (WAQA, por sus siglas en inglés)

Health effects - comparison of AQI and WAQA ratings

What air pollutants do we monitor, and why?

Where are air monitors located?

Washington's local clean air agencies

AirNow

EPA's air data page

Air toxics information

Contact us