Current Air Quality Index

The data presented here is "near-real time" and is intended only as an indicator of unvalidated recent air quality. These graphs are provided as a courtesy of the Washington Department of Ecology.

Want to be notified of Air Quality issues in the Southwest Washington State area? Subscribe to our SWCAA Alert Service and receive an E-Mail or SMS Text message when an Air Quality Alert is issed by SWCAA. Subscribe to our SAS by clicking AIR QUALITY NOTICE.

For air quality information elsewhere in the Northwest, visit:

What is the Washington Air Quality Advisory (WAQA) and what do these numbers mean? Click here (pdf)

Note that the WAQA values are as of the Date and Time indicated at the bottom of each box. They may not reflect the current Air Quality values. For current hour Air Quality values see the Current Air Quality indicators on our Home Page.

Vancouver Ozone (O3)


Click here for a three-day history of this monitor.


Vancouver, NE 84th Ave (PM2.5)


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Yacolt (PM2.5)


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Longview, 30th Ave. (PM2.5)


Click here for a three-day history of this monitor.


Chehalis, Market Blvd. (PM2.5)


Click here for a three-day history of this monitor.