Air Quality in Waterloo, Belgium

Windy
19.9°C · 64.2% humidity
19.9°
Feels 19.9°
54
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
12 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
42 6pm
42
42
54 9pm
51
55
53 12am
72
71
51 3am
50
50
50 6am
49
49
49 9am
49
42
49 12pm
49
49
69 3pm
69
69
Station readings
24
33
79
74
CAMS model adj +15
27
27
27
27
27
34
34
54
54
34
34
34
34
34
34
34
34
27
34
34
34
54
54
54
AD 728×90

Air Quality Index Trend

45h · 1 stn

Waterloo's air quality is shaped by traffic emissions and residential heating. Pollution levels tend to peak during winter months when cold air traps emissions close to ground level.

64.2%
Humidity
81.6 km/h
Wind NE
1019.0 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
54
13.72 µg/m³
PM10
38
41.15 µg/m³
050100150200300500

What is the weather forecast for Waterloo?

Temperature & Precipitation

PM2.5 Trend

45h · 1 station
PM2.513.72 µg/m³ ✓ WHO
Moderate
PM1041.15 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (12 stations within 25 km)
13.72
Median
13.66
Average
10.6
Low
18.88
High
PM2.5 µg/m³ · Model: 10.0 · Bias: -3.7

What is the 7-day forecast for Waterloo?

05-29
19.9° 10.6°
05-30
17.2° 11.9°
3.44 mm
05-31
24.1° 10.2°
1.0 mm
06-01
23.1° 11.3°
0.19 mm
06-02
24.9° 14.1°
7.38 mm
06-03
16.6° 13.3°
0.38 mm
06-04
26.9° 18.3°
1.13 mm
Both models agree Avg diff: 3.9°C

Where are air quality stations near Waterloo?

64
rixensart
6.7 km PM2.5: 18.1 µg/m³ PM10: 42.0 µg/m³
50
Ukkel, Belgium
9.5 km PM2.5: 12.0 µg/m³
63
brussel (regentlaan)
14.5 km PM2.5: 17.6 µg/m³ PM10: 45.0 µg/m³
74
belgium-woluwe-saint-lambert-sint-lambrechts-woluwe-avenue-marie-josé-marie-josélaan
14.6 km 31.0°C 44.0% RH PM2.5: 23.0 µg/m³ PM10: 23.7 µg/m³
32
Brussels
15.4 km PM2.5: 7.7 µg/m³
55
Voorhaven (haren), Belgium
18.8 km PM2.5: 14.0 µg/m³
38
Neder-over-heembeek, Belgium
20.1 km PM2.5: 9.1 µg/m³
42
Neder-over-heembeek, Belgium
20.1 km PM2.5: 10.1 µg/m³
5
Steenokkerzeel, Belgium
23.4 km PM2.5: 1.2 µg/m³
–
Mellet
23.8 km PM2.5: 0.0 µg/m³ PM10: 0.0 µg/m³

What cities are near Waterloo?

54 Braine-l'Alleud 53 Sint-Genesius-Rode 57 Rixensart 52 Beersel 54 Watermael-Boitsfort 51 Uccle 57 Auderghem 55 Overijse 54 Halle 53 Forest
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-29T19:39 UTC.