RANKABLE EPA COUNTY AQI
Linn Air Quality - Oregon
EPA county-level evidence, NDS comparative intelligence, and 18 connected ZIP profiles.
Median AQI
24.0
Maximum AQI
89.0
Good-air-quality days
84.53%
Average PM2.5
N/A
NDS Air Quality Score
72.30
U.S. County Rank
203 of 1,049
Percentile
80.63
Grade
B
County status
Linn is part of the governed NDS rankable EPA county universe.
Connected ZIP codes
Methodology
EPA AQI evidence used here is county-derived. ZIP profiles connect to this evidence through the governed NDS geography relationship.