Lopik Seasonal Pollution
Lopik usually records its highest OpenAQ-derived EPA AQI in March and its cleanest month in November. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Utrecht, Netherlands.
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Average EPA AQI
46
Rank 22 of 71 cities by average AQI
PM2.5
10.0
ug/m3 annualized city average
Seasonality
March
Cleanest: November
Health indicator
0.5
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Lopik
54
50
58
47
54
46
39
44
41
44
35
40
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Lopik, the current global analytics build covers 362 daily rows from 2024-01-03 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.