RANKABLE EPA COUNTY AQI
San Luis Obispo Air Quality - California
EPA county-level evidence, NDS comparative intelligence, and 36 connected ZIP profiles.
Median AQI
51.0
Maximum AQI
119.0
Good-air-quality days
43.96%
Average PM2.5
6.130 ug/m3
NDS Air Quality Score
29.42
U.S. County Rank
835 of 1,049
Percentile
20.23
Grade
D
County status
San Luis Obispo 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.