RANKABLE EPA COUNTY AQI
Gregg Air Quality - Texas
EPA county-level evidence, NDS comparative intelligence, and 17 connected ZIP profiles.
Median AQI
36.0
Maximum AQI
115.0
Good-air-quality days
88.89%
Average PM2.5
N/A
NDS Air Quality Score
61.24
U.S. County Rank
381 of 1,049
Percentile
63.65
Grade
C
County status
Gregg 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.