Châlette-sur-Loing Seasonal Pollution
Châlette-sur-Loing usually records its highest OpenAQ-derived EPA AQI in January and its cleanest month in June. The page uses OpenAQ-derived daily history for 2 mapped monitoring locations in Centre-Val de Loire, France.
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Average EPA AQI
36
Rank 132 of 272 cities by average AQI
PM2.5
6.9
ug/m3 annualized city average
Seasonality
January
Cleanest: June
Health indicator
0.3
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Châlette-sur-Loing
60
40
40
-
-
26
30
29
30
31
44
36
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Châlette-sur-Loing, the current global analytics build covers 145 daily rows from 2024-01-29 to 2024-12-30. The calculations normalize PM2.5 and PM10 observations into US EPA AQI bands so country, city, and tool pages use one consistent method.