RANKABLE EPA COUNTY AQI
Butte Air Quality - California
EPA county-level evidence, NDS comparative intelligence, and 25 connected ZIP profiles.
Median AQI
47.0
Maximum AQI
96.0
Good-air-quality days
66.12%
Average PM2.5
8.282 ug/m3
NDS Air Quality Score
35.72
U.S. County Rank
755 of 1,049
Percentile
27.86
Grade
D
County status
Butte 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.