AEUS76 KOTX 171706 AQAOTX Air Quality Alert Message Washington Department of Ecology Colville Confederated Tribes Idaho Department of Environmental Quality Lewiston ID Nez Perce Tribe Relayed by National Weather Service Spokane WA 1000 AM PDT Mon Aug 17 2026 WAC007-017-025-047-181715- Chelan-Douglas-Grant-Okanogan- Including the cities of Wenatchee, Leavenworth, Cashmere, Entiat, Chelan, Manson, Plain, East Wenatchee, Bridgeport, Waterville, Douglas, Moses Lake, Ephrata, Quincy, Mattawa, Royal City, Coulee City, Omak, Okanogan, Tonasket, Brewster, Oroville, Mazama, Winthrop, Methow, Twisp, and Conconully 1005 AM PDT Mon Aug 17 2026 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, Grant, 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. $$ IDC061-069-171715- Lewis-Nez Perce- Including the cities of Kamiah, Craigmont, Nezperce, Winchester, Lewiston, Lapwai, Peck, Culdesac, and Gifford 1005 AM PDT Mon Aug 17 2026 The Air Quality Alert has been lifted by the Nez Perce Tribe for the Nez Perce Reservation in Lewis and Nez Perce counties. $$