Air Quality in Halton Hills, Canada

Cloudy
3.2°C · 79.3% humidity
3.2°
Feels -2.7°
18
Good
Air quality is satisfactory. Enjoy outdoor activities.
7 stations

Nearby Monitoring Stations

AQI Forecast
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Station readings
24
4
5
7
21

Air Quality Index Trend

48h · 1 stn

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

79.3%
Humidity
33.7 km/h
Wind SSE
1029.1 hPa
Pressure
0.0
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
18
4.38 µg/m³
PM10▲
25
27.4 µg/m³
050100150200300500

What is the weather forecast for Halton Hills?

Temperature & Precipitation

PM2.5 Trend

48h · 1 station
PM2.54.38 µg/m³ ✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX0.0
Low
Station readings (7 stations within 25 km)
4.38
Median
4.8
Average
1.3
Low
6.2
High
PM2.5 µg/m³ · Model: 8.2 · Bias: +3.8

What is the 7-day forecast for Halton Hills?

10-20
6.4° 2.3°
10-21
18.7° 3.2°
10-22
15.3° 4.6°
10-23
11.9° 0.5°
1.06 mm
10-24
15.2° 1.5°
0.13 mm
10-25
11.7° 3.5°
1.94 mm
10-26
7.4° 3.5°
5.94 mm
Both models agree Avg diff: 4.3°C

Where are air quality stations near Halton Hills?

7
Halton Hills Air Sensor
11.8 km PM2.5: 1.7 µg/m³ PM10: 1.7 µg/m³
20
Milton, Ontario, Canada
13.5 km PM2.5: 4.8 µg/m³
26
Milton, Ontario, Canada
13.5 km PM2.5: 6.2 µg/m³
21
Brampton, Ontario, Canada
13.7 km PM2.5: 5.0 µg/m³
13
Brampton, Ontario, Canada
13.7 km PM2.5: 3.1 µg/m³
23
Mississauga, Ontario, Canada
24.3 km PM2.5: 5.5 µg/m³
23
Mississauga, Ontario, Canada
24.3 km PM2.5: 5.5 µg/m³
22
Mississauga, Ontario, Canada
24.3 km PM2.5: 5.3 µg/m³
23
Mississauga, Ontario, Canada
24.3 km PM2.5: 5.5 µg/m³
22
Mississauga, Ontario, Canada
24.3 km PM2.5: 5.3 µg/m³

What cities are near Halton Hills?

18 Georgetown 19 Brampton 24 Milton 22 Mississauga 28 Caledon 21 Guelph 20 West Humber-Clairville 20 Eringate-Centennial-West Deane 20 Etobicoke 23 Oakville
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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 2026-10-20T22:42 UTC.