DeKalb County, Tennessee
AQI 35 · Good35
Median AQI
47
90th Percentile
84
Max AQI
237
Days with Data
Ranked #8 of 23 counties in Tennessee (by median AQI, lower is better)
Monthly Median AQI — 2025
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35
Median AQI
47
90th Percentile
84
Max AQI
237
Days with Data
Ranked #8 of 23 counties in Tennessee (by median AQI, lower is better)
Click a bar to view that month's details