Air Quality in Waterloo, Canada

Windy
13.5°C · 91.9% humidity
13.5°
Feels 13.5°
54
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
1 station

Nearby Monitoring Stations

AQI Forecast Calibrated
24 1pm
41
56
60 4pm
49
49
49 7pm
49
87
49 10pm
49
49
49 1am
62
62
62 4am
49
49
49 7am
49
49
62 10am
62
49
Station readings
24
41
56
60
CAMS model adj +12
25
25
25
25
37
37
37
37
75
37
37
37
37
50
50
50
37
37
37
37
37
50
50
37
AD 728×90

PM2.5 Trend (24h)

23h · 1 station
91.9%
Humidity
129.4 km/h
Wind SSW
1021.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Waterloo?

Temperature & Precipitation

PM2.513.6 µg/m³ ✓ WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (1 station within 25 km)
13.6
Median
13.6
Average
13.6
Low
13.6
High
PM2.5 µg/m³ · Model: 7.4 · Bias: -6.2
Both models agree Avg diff: 4.2°C

Where are air quality stations near Waterloo?

34
Kitchener, Ontario, Canada
2.7 km
32
Kitchener, Ontario, Canada
2.7 km
34
Kitchener, Ontario, Canada
2.7 km
30
Kitchener, Ontario, Canada
2.7 km
60
Bushview Crescent Waterloo
5.4 km PM2.5: 16.2 µg/m³ PM10: 16.2 µg/m³
36
Guelph, Ontario, Canada
22.4 km
38
Guelph, Ontario, Canada
22.4 km
32
Guelph, Ontario, Canada
22.4 km

What cities are near Waterloo?

54 Kitchener 54 Forest Heights 54 Vanier 54 Hespeler 44 Fiddlesticks 38 Cambridge 35 Christopher-Champlain 25 Guelph 16 Fergus 23 Stratford

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T16:53 UTC.