Wormer Seasonal Pollution
Wormer usually records its highest OpenAQ-derived EPA AQI in March and its cleanest month in October. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Noord-Holland, Netherlands.
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Average EPA AQI
32
Rank 50 of 71 cities by average AQI
PM2.5
6.5
ug/m3 annualized city average
Seasonality
March
Cleanest: October
Health indicator
0.3
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Wormer
-
-
43
23
42
30
23
25
41
21
35
39
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Wormer, the current global analytics build covers 260 daily rows from 2024-03-08 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.