RANKABLE EPA COUNTY AQI
Harney Air Quality - Oregon
EPA county-level evidence, NDS comparative intelligence, and 9 connected ZIP profiles.
Median AQI
26.0
Maximum AQI
93.0
Good-air-quality days
70.72%
Average PM2.5
6.202 ug/m3
NDS Air Quality Score
59.12
U.S. County Rank
421 of 1,049
Percentile
59.83
Grade
C
County status
Harney is part of the governed NDS rankable EPA county universe.
Methodology
EPA AQI evidence used here is county-derived. ZIP profiles connect to this evidence through the governed NDS geography relationship.