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Belgium AQI Analytics

OpenAQ-derived PM2.5 and PM10 history for 67 cities, mapped to AQI Now city pages and normalized to the US EPA AQI scale.

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Cities
67

with OpenAQ history

Locations
142

mapped monitors

Daily rows
19,940

2024-01-01 to 2024-12-31

Avg EPA AQI
42

9.6 ug/m3 PM2.5

Current data story

The highest average AQI in this pilot slice is Wielsbeke, with an EPA AQI average of 70 and PM2.5 around 20.2 ug/m3. Its worst month is November.

Source: OpenAQ local parquet plus raw CSV coordinate recovery. Build 2026-05-12T00:27:56.105574+00:00.

Country average
42
US EPA scale
PM2.5 9.6 ug/m3 · PM10 15.8 ug/m3

Analytics tools

Cities ranked by average AQI

CityAvg AQIPM2.5Worst monthTrendCoverage
Wielsbeke
Flanders, Belgium
7020.2 ug/m3Novembern/a171 days · 2 locations
Etterbeek
Brussels-Capital Region, Belgium
7020.1 ug/m3Novembern/a132 days · 8 locations
Niel
Flanders, Belgium
6116.4 ug/m3Decembern/a185 days · 1 locations
Bruges
Flanders, Belgium
6016.1 ug/m3Novembern/a217 days · 2 locations
Mortsel
Flanders, Belgium
6016.3 ug/m3Mayn/a229 days · 1 locations
Oudenaarde
Flanders, Belgium
5915.9 ug/m3Januaryn/a358 days · 1 locations
Halen
Flanders, Belgium
5615.8 ug/m3Decembern/a38 days · 1 locations
Rixensart
Wallonia, Belgium
5613.3 ug/m3Novembern/a75 days · 1 locations
Evergem
Flanders, Belgium
5513.8 ug/m3Januaryn/a22 days · 1 locations
Antwerp
Flemish Region, Belgium
5312.4 ug/m3Januaryn/a29 days · 3 locations
Meulebeke
Flanders, Belgium
5011.3 ug/m3Januaryn/a327 days · 1 locations
Ertvelde
Flanders, Belgium
4911.1 ug/m3Mayn/a344 days · 4 locations
Deurne
Flanders, Belgium
4910.9 ug/m3Mayn/a310 days · 2 locations
Menen
Flanders, Belgium
4810.6 ug/m3Januaryn/a325 days · 1 locations
Dilbeek
Flanders, Belgium
4810.5 ug/m3Octobern/a323 days · 3 locations
Merksem
Flanders, Belgium
4810.6 ug/m3Januaryn/a325 days · 1 locations
Moortebeek
Flanders, Belgium
4810.6 ug/m3Mayn/a336 days · 6 locations
Berchem
Flanders, Belgium
4710.5 ug/m3Januaryn/a346 days · 2 locations
Roeselare
Flanders, Belgium
4710.5 ug/m3Januaryn/a344 days · 3 locations
Forest
Brussels-Capital Region, Belgium
4710.7 ug/m3Novembern/a338 days · 3 locations
Borgerhout
Flanders, Belgium
4710.2 ug/m3Novembern/a350 days · 8 locations
Vilvoorde
Flanders, Belgium
4710.2 ug/m3Januaryn/a323 days · 1 locations
Neder-Over-Heembeek
Brussels-Capital Region, Belgium
4610.0 ug/m3Novembern/a334 days · 6 locations
Zelzate
Flanders, Belgium
4610.1 ug/m3Decembern/a312 days · 2 locations

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