Ratingen Seasonal Pollution
Ratingen usually records its highest OpenAQ-derived EPA AQI in November and its cleanest month in April. The page uses OpenAQ-derived daily history for 3 mapped monitoring locations in North Rhine-Westphalia, Germany.
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Average EPA AQI
44
Rank 66 of 297 cities by average AQI
PM2.5
9.8
ug/m3 annualized city average
Seasonality
November
Cleanest: April
Health indicator
0.4
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Ratingen
51
34
50
28
46
42
33
46
39
42
60
56
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Ratingen, the current global analytics build covers 324 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.