RANKABLE EPA COUNTY AQI

Jefferson Air Quality - Washington

EPA county-level evidence, NDS comparative intelligence, and 7 connected ZIP profiles.

Median AQI

19.0

Maximum AQI

59.0

Good-air-quality days

96.52%

Average PM2.5

N/A

NDS Air Quality Score

88.13

U.S. County Rank

63 of 1,049

Percentile

94.08

Grade

County status

Jefferson is part of the governed NDS rankable EPA county universe.

EPA AQI evidence used here is county-derived. ZIP profiles connect to this evidence through the governed NDS geography relationship.