What is the air quality in Caledon today?

The current Air Quality Index (AQI) in Caledon is 28 (Good). PM2.5 concentration is 6.75 µg/m³.

What is the temperature in Caledon right now?

The current temperature in Caledon is 4.4°C (feels like -1.5°C). Humidity is 65.7% and wind speed is 39.9 km/h.

Is it safe to go outside in Caledon?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Caledon, Canada

Partly Cloudy

4.4°C · 65.7% humidity

4.4°

Feels -1.5°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

— 4pm

—

— 7pm

—

— 10pm

—

— 1am

—

— 4am

—

— 7am

—

— 10am

—

— 1pm

—

Station readings

Air Quality Index Trend

45h · 1 stn

View full history →

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.

65.7%

Humidity

39.9 km/h

Wind S

1028.8 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

6.75 µg/m³

PM10

27.4 µg/m³

050100150200300500

What is the weather forecast for Caledon?

Temperature & Precipitation

PM2.5 Trend

45h · 1 station

PM2.56.75 µg/m³ ✓ WHO

Good

PM1027.4 µg/m³

Good

UV INDEX0.0

Low

What is the 7-day forecast for Caledon?

10-20

6.7° 2.1°

10-21

18.2° 4.2°

10-22

14.2° 3.3°

10-23

11.9° -0.1°

0.75 mm

10-24

15.4° 0.6°

0.38 mm

10-25

11.7° 3.1°

2.37 mm

10-26

8.0° 2.4°

10.94 mm

Both models agree Avg diff: 3.9°C

Where are air quality stations near Caledon?

Brampton, Ontario, Canada

25.2 km PM2.5: 5.0 µg/m³

Brampton, Ontario, Canada

25.2 km PM2.5: 3.1 µg/m³

What cities are near Caledon?

28 Orangeville 19 Bolton 18 Georgetown 18 Halton Hills 20 Brampton 16 Alliston 19 Mount Olive-Silverstone-Jamestown 17 Fergus 19 West Humber-Clairville 19 Humbermede

Get AQI alerts for Caledon

Notify me when air quality reaches:

ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

Free · No account · Unsubscribe any time

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-10-20T23:40 UTC.