Hellendoorn Seasonal Pollution
Hellendoorn usually records its highest OpenAQ-derived EPA AQI in March and its cleanest month in December. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Overijssel, Netherlands.
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Average EPA AQI
13
Rank 69 of 71 cities by average AQI
PM2.5
n/a
ug/m3 annualized city average
Seasonality
March
Cleanest: December
Health indicator
n/a
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Hellendoorn
14
14
17
11
16
12
11
13
13
11
13
11
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Hellendoorn, the current global analytics build covers 356 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.