Calcasieu County, Louisiana
AQI 47 · Good47
Median AQI
61
90th Percentile
108
Max AQI
273
Days with Data
Ranked #18 of 22 counties in Louisiana (by median AQI, lower is better)
Monthly Median AQI — 2025
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47
Median AQI
61
90th Percentile
108
Max AQI
273
Days with Data
Ranked #18 of 22 counties in Louisiana (by median AQI, lower is better)
Click a bar to view that month's details