Bottrop Seasonal Pollution
Bottrop usually records its highest OpenAQ-derived EPA AQI in March and its cleanest month in April. The page uses OpenAQ-derived daily history for 2 mapped monitoring locations in North Rhine-Westphalia, Germany.
Search city analytics
Average EPA AQI
45
Rank 49 of 297 cities by average AQI
PM2.5
9.7
ug/m3 annualized city average
Seasonality
March
Cleanest: April
Health indicator
0.4
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Bottrop
53
42
53
32
49
44
37
45
44
43
52
47
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Bottrop, the current global analytics build covers 341 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.