Kohtla-Järve Seasonal Pollution
Kohtla-Järve usually records its highest OpenAQ-derived EPA AQI in September and its cleanest month in June. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Kohtla-Järve, Estonia.
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Average EPA AQI
24
Rank 1 of 7 cities by average AQI
PM2.5
4.2
ug/m3 annualized city average
Seasonality
September
Cleanest: June
Health indicator
0.2
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Kohtla-Järve
-
-
30
24
32
14
22
31
34
21
18
23
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Kohtla-Järve, the current global analytics build covers 254 daily rows from 2024-03-25 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.