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 directly downwind from active wildfires. Other areas may reach Unhealthy for Sensitive Groups or worse. While occasional clearing is possible during periods of stronger winds, smoke production continues to be significant from regional fires. 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.