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

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
13.72
Median
13.66
Average
10.6
Low
18.88
High
PM2.5 µg/m³ · Model: 10.0 · Bias: -3.7
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
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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.