Trieste Seasonal Pollution
Trieste usually records its highest OpenAQ-derived EPA AQI in February and its cleanest month in December. The page uses OpenAQ-derived daily history for 3 mapped monitoring locations in Friuli Venezia Giulia, Italy.
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Average EPA AQI
13
Rank 128 of 132 cities by average AQI
PM2.5
n/a
ug/m3 annualized city average
Seasonality
February
Cleanest: December
Health indicator
n/a
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Trieste
16
18
14
12
11
15
13
12
9
12
15
9
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Trieste, the current global analytics build covers 299 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.