RANKABLE EPA COUNTY AQI

Winona Air Quality - Minnesota

EPA county-level evidence, NDS comparative intelligence, and 5 connected ZIP profiles.

Median AQI

19.0

Maximum AQI

57.0

Good-air-quality days

94.12%

Average PM2.5

N/A

NDS Air Quality Score

83.95

U.S. County Rank

91 of 1,049

Percentile

91.41

Grade

County status

Winona 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.