Despite being six months removed from the final month of the fire season in Washington, 11 counties still received an “F” grade when it comes to air quality, according to the American Lung Association’s 2023 State of the Air report, which tracks three data points: Ozone trends, particle pollution trends, and populations at risk.
Clark, King, Kitsap, Kittitas, Okanogan, Pierce, Snohomish, Spokane, Stevens, Whatcom, and Yakima Counties all received an F grade in particle pollution trends,
The American Lung Association reported data on just 12 counties in Washington, with Skagit County being the lone location with an A grade.