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 Calibrated
24 4pm
24
24
29 7pm
26
26
33 10pm
33
33
33 1am
33
33
33 4am
33
33
33 7am
33
53
53 10am
26
33
33 1pm
33
33
Station readings
25
30
21
26
CAMS model adj -1
25
25
25
27
27
27
34
34
34
34
34
34
34
34
34
34
34
54
54
27
34
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
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
29
6.9 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
PM2.56.9 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX1.4
Low
AD 300×250
Station readings (8 stations within 25 km)
6.9
Median
6.63
Average
5.0
Low
7.4
High
PM2.5 µg/m³ · Model: 7.35 · Bias: +0.4

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?

26
Halton Hills Air Sensor
11.8 km PM2.5: 6.3 µg/m³ PM10: 6.3 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
39
Brampton, Ontario, Canada
13.7 km PM2.5: 9.4 µg/m³
151
Brampton, Ontario, Canada
13.7 km PM2.5: 55.5 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?

29 Georgetown 30 Brampton 30 Milton 24 Mississauga 35 Caledon 32 Guelph 28 West Humber-Clairville 28 Eringate-Centennial-West Deane 28 Etobicoke 31 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 2026-06-08T23:20 UTC.