Klaukkala Seasonal Pollution
Klaukkala usually records its highest OpenAQ-derived EPA AQI in May and its cleanest month in December. The page uses OpenAQ-derived daily history for 2 mapped monitoring locations in Uusimaa, Finland.
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Average EPA AQI
21
Rank 13 of 22 cities by average AQI
PM2.5
3.9
ug/m3 annualized city average
Seasonality
May
Cleanest: December
Health indicator
0.2
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Klaukkala
19
23
27
18
30
24
26
25
22
16
11
11
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Klaukkala, the current global analytics build covers 331 daily rows from 2024-01-01 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.