Air Quality in Caledon, Canada
Windy
7.0°C · 93.0% humidity
7.0°
Feels -0.1°
31
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Caledon's air quality — share it
AQI Forecast
Calibrated
3
4pm
3
3
31
7pm
23
17
13
10pm
10
8
7
1am
6
5
6
4am
6
6
6
7am
3
5
5
10am
5
5
5
1pm
5
5
Station readings
25h ago
AQI 32
PM2.5 7.7 µg/m³ · 25h ago
Air Quality Index Trend
48h · 12 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.
93.0%
Humidity
84.5 km/h
Wind NW
1001.3 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
7.52 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Caledon?
Temperature & Precipitation
PM2.5 Trend
48h · 12 stationsPM2.57.52 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX2.2
Moderate
What is the 7-day forecast for Caledon?
06-08
26.2° 5.4°
5.13 mm
06-09
28.2° 7.0°
0.06 mm
06-10
15.5° 10.9°
0.19 mm
06-11
23.5° 8.9°
06-12
23.7° 14.5°
1.75 mm
06-13
23.0° 17.0°
1.25 mm
06-14
25.2° 11.5°
0.44 mm
Both models agree
Avg diff: 7.2°C
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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 2026-06-08T23:09 UTC.