Live index with partial source coverage. Prior values were preserved where live retrieval was unavailable: AirNow.

State profile

Washington

2 indexed cities · average score 75.4

State rank	City	Score	AQI	Water	Moisture	Housing year
#1	Spokane	78.7	22	82%	21.9	1961
#2	Seattle	72.1	68	82%	24.4	1976