Air Quality in Caledon, Canada
Drizzle
13.5°C · 95.5% humidity
13.5°
Feels 13.5°
23
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Caledon's air quality — share it
AQI Forecast
Calibrated
20
5am
20
20
23
8am
20
20
20
11am
21
21
21
2pm
21
20
20
5pm
20
20
20
8pm
21
21
21
11pm
21
21
21
2am
21
21
Station readings
18
17
CAMS model
adj -4
24
24
24
24
24
24
24
25
25
25
25
24
24
24
24
24
25
25
25
25
25
25
25
25
Air Quality Index Trend
43h · 1 stnCaledon's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
95.5%
Humidity
35.7 km/h
Wind NNW
1013.8 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
5.6 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Caledon?
Temperature & Precipitation
PM2.5 Trend
43h · 1 stationPM2.55.6 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX1.4
Low
What is the 7-day forecast for Caledon?
09-05
20.6° 9.6°
0.19 mm
09-06
24.6° 11.9°
1.63 mm
09-07
20.9° 12.9°
0.44 mm
09-08
23.1° 12.9°
1.5 mm
09-09
24.9° 10.0°
09-10
22.3° 11.4°
2.44 mm
09-11
22.8° 10.8°
0.25 mm
Both models agree
Avg diff: 3.6°C
Where are air quality stations near Caledon?
21
Brampton, Ontario, Canada
22
Brampton, Ontario, Canada
21
Brampton, Ontario, Canada
17
Brampton, Ontario, Canada
18
Brampton, Ontario, Canada
What cities are near Caledon?
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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 2026-09-05T12:10 UTC.