Tours Seasonal Pollution
Tours usually records its highest OpenAQ-derived EPA AQI in January and its cleanest month in June. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Centre-Val de Loire, France.
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Average EPA AQI
38
Rank 94 of 272 cities by average AQI
PM2.5
8.5
ug/m3 annualized city average
Seasonality
January
Cleanest: June
Health indicator
0.4
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Tours
58
39
44
-
-
20
21
24
27
27
43
46
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Tours, the current global analytics build covers 174 daily rows from 2024-01-02 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.