Dordrecht Seasonal Pollution
Dordrecht usually records its highest OpenAQ-derived EPA AQI in November and its cleanest month in April. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Zuid-Holland, Netherlands.
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Average EPA AQI
14
Rank 58 of 71 cities by average AQI
PM2.5
n/a
ug/m3 annualized city average
Seasonality
November
Cleanest: April
Health indicator
n/a
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Dordrecht
15
12
14
11
15
14
12
15
15
14
16
13
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Dordrecht, the current global analytics build covers 360 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.