Air Quality in Halton Hills, Canada

Windy
20.5°C · 38.3% humidity
20.5°
Feels 20.5°
45
Good
Air quality is satisfactory. Enjoy outdoor activities.
7 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
82 12am
82
70
45 3am
52
57
61 6am
43
36
38 9am
39
39
40 12pm
40
40
41 3pm
41
41
41 6pm
41
41
41 9pm
40
40
Station readings
93
85
82
45
CAMS model adj +16
66
66
54
54
54
54
54
34
25
25
25
25
25
25
25
25
25
25
25
25
25
25
24
24
AD 728×90

Air Quality Index Trend

48h · 3 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.

38.3%
Humidity
53.0 km/h
Wind NW
1014.4 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
45
10.82 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Halton Hills?

Temperature & Precipitation

PM2.5 Trend

48h · 3 stations
PM2.510.82 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX2.9
Moderate
AD 300×250
Station readings (7 stations within 25 km)
10.82
Median
10.09
Average
8.4
Low
16.93
High
PM2.5 µg/m³ · Model: 13.5 · Bias: +2.7

What is the 7-day forecast for Halton Hills?

08-03
23.3° 16.4°
3.0 mm
08-04
25.3° 14.8°
0.13 mm
08-05
32.8° 14.4°
08-06
27.3° 18.1°
6.88 mm
08-07
28.6° 12.8°
1.19 mm
08-08
33.2° 16.4°
0.62 mm
08-09
34.7° 18.1°
0.62 mm
Both models agree Avg diff: 3.5°C

Where are air quality stations near Halton Hills?

82
Halton Hills Air Sensor
11.8 km PM2.5: 26.8 µg/m³ PM10: 27.3 µg/m³
50
Milton, Ontario, Canada
13.5 km PM2.5: 12.0 µg/m³
40
Milton, Ontario, Canada
13.5 km PM2.5: 9.6 µg/m³
50
Milton, Ontario, Canada
13.5 km PM2.5: 12.0 µg/m³
46
Milton, Ontario, Canada
13.5 km PM2.5: 11.0 µg/m³
34
Milton, Ontario, Canada
13.5 km PM2.5: 8.2 µg/m³
55
Milton, Ontario, Canada
13.5 km PM2.5: 14.0 µg/m³
38
Milton, Ontario, Canada
13.5 km PM2.5: 9.1 µg/m³
42
Milton, Ontario, Canada
13.5 km PM2.5: 10.1 µg/m³
31
Milton, Ontario, Canada
13.5 km PM2.5: 7.4 µg/m³

What cities are near Halton Hills?

45 Georgetown 38 Brampton 41 Milton 38 Mississauga 15 Caledon 35 Guelph 38 West Humber-Clairville 42 Eringate-Centennial-West Deane 43 Etobicoke 39 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 2026-08-08T07:06 UTC.