Air Quality in Halton Hills, Canada

Windy
7.0°C · 92.6% humidity
7.0°
Feels 0.4°
29
Good
Air quality is satisfactory. Enjoy outdoor activities.
8 stations

Nearby Monitoring Stations

AQI Forecast
25 3pm
25
25
29 6pm
27
27
27 9pm
34
34
34 12am
34
34
34 3am
34
34
34 6am
34
34
54 9am
54
27
34 12pm
34
34
Station readings
25
25
30
21
CAMS model
25
25
25
25
27
27
27
34
34
34
34
34
34
34
34
34
34
34
54
54
27
34
34
34
AD 728×90

Air Quality Index Trend

47h · 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.

92.6%
Humidity
71.5 km/h
Wind NW
1001.5 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
29
7.02 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Halton Hills?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station
PM2.57.02 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX4.4
Moderate
AD 300×250
Station readings (8 stations within 25 km)
7.02
Median
6.85
Average
5.0
Low
7.9
High
PM2.5 µg/m³ · Model: 9.75 · Bias: +2.7

What is the 7-day forecast for Halton Hills?

06-08
26.3° 5.8°
5.87 mm
06-09
28.9° 7.0°
0.06 mm
06-10
14.3° 11.0°
0.31 mm
06-11
23.5° 9.5°
06-12
24.4° 14.3°
2.25 mm
06-13
23.1° 18.2°
1.5 mm
06-14
24.9° 11.8°
Both models agree Avg diff: 7.4°C

Where are air quality stations near Halton Hills?

21
Halton Hills Air Sensor
11.8 km PM2.5: 5.1 µg/m³ PM10: 5.1 µg/m³
42
Milton, Ontario, Canada
13.5 km PM2.5: 10.1 µg/m³
92
Milton, Ontario, Canada
13.5 km PM2.5: 31.6 µg/m³
13
Milton, Ontario, Canada
13.5 km PM2.5: 3.1 µg/m³
177
Milton, Ontario, Canada
13.5 km PM2.5: 105.9 µg/m³
151
Brampton, Ontario, Canada
13.7 km PM2.5: 55.5 µg/m³
39
Brampton, Ontario, Canada
13.7 km PM2.5: 9.4 µg/m³
71
Mississauga, Ontario, Canada
24.3 km PM2.5: 21.6 µg/m³
116
Mississauga, Ontario, Canada
24.3 km PM2.5: 41.6 µg/m³
20
Oakville, Ontario, Canada
25.1 km PM2.5: 4.8 µg/m³

What cities are near Halton Hills?

30 Georgetown 30 Brampton 31 Milton 26 Mississauga 30 Caledon 38 Guelph 30 West Humber-Clairville 30 Eringate-Centennial-West Deane 29 Etobicoke 32 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 2026-06-08T22:28 UTC.