Warstein Seasonal Pollution
Warstein usually records its highest OpenAQ-derived EPA AQI in March and its cleanest month in April. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in North Rhine-Westphalia, Germany.
Search city analytics
Average EPA AQI
38
Rank 192 of 297 cities by average AQI
PM2.5
7.5
ug/m3 annualized city average
Seasonality
March
Cleanest: April
Health indicator
0.3
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Warstein
38
28
53
26
42
39
35
44
41
33
40
36
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Warstein, the current global analytics build covers 317 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.