Air Quality Alert — King County, Washington
Pollutant or particulate levels are expected to reach unhealthy levels, especially for sensitive groups.
Current Status
😷 Active: Air Quality Alert
Air Quality Alert issued August 3 at 10:38AM PDT by NWS Seattle WA
An Air Quality Alert has been issued for King, Kitsap, Pierce, Snohomish, and Thurston Counties from 12pm Monday August 3 through 5pm Wednesday August 5 due to expected wildfire smoke from regional fires. Air quality conditions are expected to worsen throughout the day today as smoke begins to mix down to the surface. Particulate matter (PM2.5) concentrations may reach UNHEALTHY FOR SENSITIVE GROUPS. When air quality is UNHEALTHY FOR SENSITIVE GROUPS, individuals with health concerns and pre-existing conditions should reduce exposure and take precautions. This means limiting time outside, avoiding strenuous activity, and following tips for cleaner indoor air. Visit pscleanair.gov and orcaa.org/news-notices for current conditions, updates, and more information.
Effective August 3, 2026 at 1:38 PM ET · Expires August 5, 2026 at 8:00 PM ET
Event Details
Event Type
Air Quality Alert
Severity
unknown
Issued By
NWS Seattle WA
Expires
August 5, 2026 at 8:00 PM ET
Last Checked
1 minute ago
Also In Effect For
This same Air Quality Alert also covers:
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Get Air Quality Alert Alerts for King County
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Frequently Asked Questions
What does a Air Quality Alert mean for King County, Washington?
Pollutant or particulate levels are expected to reach unhealthy levels, especially for sensitive groups.
Is this Air Quality Alert currently active?
Yes — this alert is active as of our last check (1 minute ago). It's set to expire August 5, 2026 at 8:00 PM ET.
How do I get notified about Air Quality Alert alerts for King County?
Download StormCast free on Google Play and set King County, Washington as one of your monitored locations. StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.
What other areas does this alert cover?
This same Air Quality Alert is also in effect for Kitsap County, Pierce County, Snohomish County, Thurston County.