RANKABLE EPA COUNTY AQI
Jefferson Air Quality - Oregon
EPA county-level evidence, NDS comparative intelligence, and 5 connected ZIP profiles.
Median AQI
22.0
Maximum AQI
77.0
Good-air-quality days
86.74%
Average PM2.5
N/A
NDS Air Quality Score
83.09
U.S. County Rank
99 of 1,049
Percentile
90.65
Grade
A
County status
Jefferson 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.