Zwijndrecht Seasonal Pollution
Zwijndrecht usually records its highest OpenAQ-derived EPA AQI in January and its cleanest month in April. The page uses OpenAQ-derived daily history for 8 mapped monitoring locations in Flanders, Belgium.
Search city analytics
Average EPA AQI
44
Rank 37 of 67 cities by average AQI
PM2.5
9.4
ug/m3 annualized city average
Seasonality
January
Cleanest: April
Health indicator
0.4
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Zwijndrecht
55
44
48
30
50
45
35
43
41
42
52
50
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Zwijndrecht, the current global analytics build covers 322 daily rows from 2024-01-29 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.