Halle Seasonal Pollution
Halle usually records its highest OpenAQ-derived EPA AQI in March and its cleanest month in July. The page uses OpenAQ-derived daily history for 3 mapped monitoring locations in Saxony-Anhalt, Germany.
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Average EPA AQI
44
Rank 59 of 297 cities by average AQI
PM2.5
9.6
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
Halle
52
40
70
36
44
44
35
42
40
46
48
42
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Halle, 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.