Halstenbek Seasonal Pollution
Halstenbek usually records its highest OpenAQ-derived EPA AQI in March and its cleanest month in July. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Schleswig-Holstein, Germany.
Search city analytics
Average EPA AQI
41
Rank 130 of 297 cities by average AQI
PM2.5
8.6
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
Halstenbek
51
43
65
32
41
38
27
39
42
40
47
44
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Halstenbek, the current global analytics build covers 288 daily rows from 2024-01-29 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.