RANKABLE EPA COUNTY AQI
Tehama Air Quality - California
EPA county-level evidence, NDS comparative intelligence, and 12 connected ZIP profiles.
Median AQI
36.0
Maximum AQI
90.0
Good-air-quality days
80.66%
Average PM2.5
4.662 ug/m3
NDS Air Quality Score
71.82
U.S. County Rank
212 of 1,049
Percentile
79.77
Grade
B
County status
Tehama 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.