Amsterdam Seasonal Pollution
Amsterdam usually records its highest OpenAQ-derived EPA AQI in November and its cleanest month in April. The page uses OpenAQ-derived daily history for 4 mapped monitoring locations in North Holland, Netherlands.
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Average EPA AQI
52
Rank 15 of 71 cities by average AQI
PM2.5
12.2
ug/m3 annualized city average
Seasonality
November
Cleanest: April
Health indicator
0.6
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Amsterdam
-
-
54
36
58
49
43
46
60
56
61
59
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 283 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.