Treviglio Seasonal Pollution
Treviglio usually records its highest OpenAQ-derived EPA AQI in January and its cleanest month in September. The page uses OpenAQ-derived daily history for 2 mapped monitoring locations in Lombardy, Italy.
Search city analytics
Average EPA AQI
70
Rank 13 of 132 cities by average AQI
PM2.5
20.3
ug/m3 annualized city average
Seasonality
January
Cleanest: September
Health indicator
0.9
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Treviglio
116
97
61
52
49
53
55
62
42
55
95
104
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Treviglio, the current global analytics build covers 233 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.