Tallinn Seasonal Pollution
Tallinn usually records its highest OpenAQ-derived EPA AQI in May and its cleanest month in November. The page uses OpenAQ-derived daily history for 2 mapped monitoring locations in Tallinn, Estonia.
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Average EPA AQI
17
Rank 6 of 7 cities by average AQI
PM2.5
3.2
ug/m3 annualized city average
Seasonality
May
Cleanest: November
Health indicator
0.1
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Tallinn
-
-
22
20
27
13
14
16
20
16
9
12
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Tallinn, the current global analytics build covers 269 daily rows from 2024-03-23 to 2024-12-31. The calculations normalize PM2.5 and PM10 observations into US EPA AQI bands so country, city, and tool pages use one consistent method.