AQI Alerts for Waterville, WA

# SUMMARY -------------------- An Air Quality Alert has been issued by the following agencies: Washington Department of Ecology An Air Quality Alert has been issued for Chelan, Douglas, and Okanogan Counties until further notice due to current and expected smoke from regional fires. Particulate matter (PM2.5) may reach Unhealthy levels for areas downwind from active wildfires. Be sure to check air monitors in your area before outdoor activities. When air quality is Unhealthy, everyone should reduce exposure. Limit time outside, avoid strenuous outdoor activity, and follow tips for cleaner indoor air. # DETAILS -------------------- ISSUED AT Monday, August 24, 2026 at 10:42 AM PDT ISSUED BY Relayed by National Weather Service Spokane WA HEADER Air Quality Alert Message | Washington Department of Ecology | Colville Confederated Tribes # AREAS AFFECTED -------------------- Chelan, Douglas, Okanogan Including the cities of Wenatchee, Leavenworth, Cashmere, Entiat, Chelan, Manson, Plain, East Wenatchee, Bridgeport, Waterville, Douglas, Omak, Okanogan, Tonasket, Brewster, Oroville, Mazama, Winthrop, Methow, Twisp, and Conconully