Arkansas(AR)

Air quality overview and monitoring data — 2025

137

Monitoring Sites

2,161

Active Monitors

37

Counties with Data

41

Cities Monitored

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County Air Quality

CountyMedian AQI ▲90th %ileMax AQIGoodModerateUSGUnhealthy
Clark354674235600
Newton3849772541900
Polk40581192205010
Crittenden41581122185410
Washington4154742274600
Jackson445979603100
Arkansas495977474400
Ashley495868494200
Garland496192484300
Union526270405100
Pulaski54692399017842

Pollutant Trends

Ozone

No data available

PM2.5

No data available

PM10

No data available

CO

No data available

NO2

No data available

SO2

No data available

Neighboring States

LouisianaMississippiMissouriOklahomaTennesseeTexas

External Links