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Unhealthy air quality for all. Chelan - 173. Grant - 159 . Okanogan - 154. Unhealthy for sensitive groups. Ferry - 141. Stevens - 141 . Yakima - 105. Counties with moderate air quality. Adams ...
WA counties ranked by air quality There is also county-specific data used for the study. In the one-year period used for the study, most Washington counties had AQI readings available on 181 days.
Smoke from this fire and other fires in inland Washington and British Columbia was pushed towards Western Washington and rapid convective mixing caused unhealthy air quality in Seattle on August 20–21. [20] [21] The Gray Fire was ignited on August 18 near Medical Lake in Spokane County and grew to over 9,500 acres (3,800 ha) within a day.
The Canadian Air Quality Health Index, measured on a scale of one to 10-plus with 10 as "very high risk", is based on measurements of "ozone at ground level, particulate matter and nitrogen dioxide". [ 43 ] [ 44 ] By Wednesday the third day of the thick haze of smoke, air quality in Calgary scored 17.
The Pioneer Fire was a large wildfire in Chelan County, Washington, United States.It was first reported on June 8, 2024, on the north side of Lake Chelan and spread northwest throughout the wilderness in the Okanogan–Wenatchee National Forest.
Smoke around the Treasure Valley and across the Pacific Northwest is coming from multiple fires. These sources show where.
Air quality in the Methow Valley was the unhealthiest in the nation at several points in July. [71] [72] The U.S. National Weather Service Spokane office tweeted that Methow Valley's air quality could be the worst anywhere on the Earth on July 23. [73] The Schneider Springs Fire rose near Naches, Washington during a thunderstorm on August 4. It ...
The Department of Ecology began a vehicle inspection program in 1982, requiring vehicles registered within the state to be inspected for emissions quality. The program ended on December 31, 2019, following a 14-year phase-out approved by the state legislature in 2005 as air quality in Washington cities had improved to above federal standards.