Amsterdam Seasonal Pollution
Amsterdam usually records its highest OpenAQ-derived EPA AQI in December and its cleanest month in April. The page uses OpenAQ-derived daily history for 7 mapped monitoring locations in Noord-Holland, Netherlands.
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Average EPA AQI
45
Rank 24 of 71 cities by average AQI
PM2.5
9.8
ug/m3 annualized city average
Seasonality
December
Cleanest: April
Health indicator
0.4
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Amsterdam
-
-
51
32
51
40
33
38
46
48
56
57
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Amsterdam, the current global analytics build covers 291 daily rows from 2024-01-23 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.