Prato Seasonal Pollution
Prato usually records its highest OpenAQ-derived EPA AQI in February and its cleanest month in September. The page uses OpenAQ-derived daily history for 2 mapped monitoring locations in Tuscany, Italy.
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Average EPA AQI
55
Rank 46 of 132 cities by average AQI
PM2.5
13.8
ug/m3 annualized city average
Seasonality
February
Cleanest: September
Health indicator
0.6
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Prato
69
73
51
40
39
44
52
52
39
44
70
59
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Prato, the current global analytics build covers 270 daily rows from 2024-01-01 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.