RANKABLE EPA COUNTY AQI

Howard Air Quality - Indiana

EPA county-level evidence, NDS comparative intelligence, and 9 connected ZIP profiles.

Median AQI

46.0

Maximum AQI

122.0

Good-air-quality days

61.48%

Average PM2.5

7.358 ug/m3

NDS Air Quality Score

30.81

U.S. County Rank

821 of 1,049

Percentile

21.56

Grade

County status

Howard 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.