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
42 12am
54
54
15 3am
23
40
44 6am
35
17
9 9am
10
11
12 12pm
12
12
13 3pm
13
13
12 6pm
12
12
12 9pm
12
12
Station readings
46
46
53
53
CAMS model adj -12
54
66
66
54
54
66
66
54
34
25
25
25
25
25
25
25
25
25
24
24
24
24
24
24
AD 728×90

Air Quality Index Trend

33h · 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

33h · 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?

53
Brampton, Ontario, Canada
25.2 km PM2.5: 13.1 µg/m³
53
Brampton, Ontario, Canada
25.2 km PM2.5: 13.1 µg/m³
42
Brampton, Ontario, Canada
25.2 km PM2.5: 10.1 µg/m³
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
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 2026-08-08T07:06 UTC.