Hannover Seasonal Pollution
Hannover usually records its highest OpenAQ-derived EPA AQI in March and its cleanest month in July. The page uses OpenAQ-derived daily history for 2 mapped monitoring locations in Lower Saxony, Germany.
Search city analytics
Average EPA AQI
38
Rank 187 of 297 cities by average AQI
PM2.5
7.8
ug/m3 annualized city average
Seasonality
March
Cleanest: July
Health indicator
0.4
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Hannover
43
39
61
32
38
36
27
36
37
36
42
36
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Hannover, the current global analytics build covers 337 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.