Air Quality in Caledon, Canada

Windy
20.3°C · 37.9% humidity
20.3°
Feels 20.3°
15
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model

Nearby Monitoring Stations

AQI Forecast Calibrated
33 7pm
33
53
15 10pm
26
33
51 1am
55
46
48 4am
61
62
51 7am
32
23
23 10am
24
24
24 1pm
24
24
24 4pm
24
23
Station readings
42
41
39
38
CAMS model adj -1
34
34
54
54
54
54
66
66
54
54
66
66
54
34
25
25
25
25
25
25
25
25
25
24
AD 728×90

Air Quality Index Trend

30h · 1 stn

Caledon's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

37.9%
Humidity
62.2 km/h
Wind NNW
1014.3 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
15
3.68 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Caledon?

Temperature & Precipitation

PM2.5 Trend

30h · 1 station
PM2.53.68 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX2.9
Moderate
AD 300×250

What is the 7-day forecast for Caledon?

08-03
23.3° 15.7°
3.75 mm
08-04
23.7° 15.8°
1.19 mm
08-05
32.0° 14.3°
08-06
27.8° 17.9°
6.38 mm
08-07
27.6° 12.4°
1.56 mm
08-08
33.5° 15.9°
1.75 mm
08-09
34.3° 18.4°
1.94 mm
Both models agree Avg diff: 3.8°C

Where are air quality stations near Caledon?

95
Brampton, Ontario, Canada
25.2 km PM2.5: 33.0 µg/m³
42
Brampton, Ontario, Canada
25.2 km PM2.5: 10.1 µg/m³
41
Brampton, Ontario, Canada
25.2 km PM2.5: 9.8 µg/m³
38
Brampton, Ontario, Canada
25.2 km PM2.5: 9.1 µg/m³
38
Brampton, Ontario, Canada
25.2 km PM2.5: 9.1 µg/m³

What cities are near Caledon?

15 Orangeville 35 Bolton 45 Georgetown 45 Halton Hills 38 Brampton 31 Alliston 40 Mount Olive-Silverstone-Jamestown 35 Fergus 38 West Humber-Clairville 41 Humbermede
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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 2026-08-08T02:35 UTC.