Zuidhorn Seasonal Pollution
Zuidhorn usually records its highest OpenAQ-derived EPA AQI in January and its cleanest month in July. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Groningen, Netherlands.
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Average EPA AQI
32
Rank 49 of 71 cities by average AQI
PM2.5
6.5
ug/m3 annualized city average
Seasonality
January
Cleanest: July
Health indicator
0.3
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Zuidhorn
51
29
49
27
40
22
15
24
31
20
33
46
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Zuidhorn, the current global analytics build covers 360 daily rows from 2024-01-04 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.