RANKABLE EPA COUNTY AQI
Ellis Air Quality - Texas
EPA county-level evidence, NDS comparative intelligence, and 17 connected ZIP profiles.
Median AQI
33.0
Maximum AQI
84.0
Good-air-quality days
92.86%
Average PM2.5
7.294 ug/m3
NDS Air Quality Score
76.11
U.S. County Rank
156 of 1,049
Percentile
85.21
Grade
A
County status
Ellis 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.