Air Quality in Halton Hills, Canada

Cloudy
11.6°C · 85.1% humidity
11.6°
Feels 11.6°
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
7 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
6 2am
6
6
25 5am
20
16
12 8am
11
9
8 11am
7
6
6 2pm
6
5
5 5pm
5
5
6 8pm
8
15
15 11pm
15
8
Station readings
4
4
CAMS model adj -19
25
25
25
25
25
25
24
25
24
24
24
24
24
24
24
24
24
24
25
27
34
34
34
27
AD 728×90

Air Quality Index Trend

44h · 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.

85.1%
Humidity
25.4 km/h
Wind NE
1015.7 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
25
6.02 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Halton Hills?

Temperature & Precipitation

PM2.5 Trend

44h · 1 station
PM2.56.02 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (7 stations within 25 km)
6.02
Median
6.56
Average
1.0
Low
8.2
High
PM2.5 µg/m³ · Model: 5.9 · Bias: -0.1

What is the 7-day forecast for Halton Hills?

05-30
18.4° 7.1°
0.13 mm
05-31
25.4° 6.7°
06-01
27.6° 13.2°
06-02
19.8° 7.2°
06-03
23.9° 17.8°
0.06 mm
06-04
21.5° 10.4°
06-05
20.9° 8.2°
0.06 mm
Both models agree Avg diff: 5.5°C

Where are air quality stations near Halton Hills?

4
Halton Hills Air Sensor
11.8 km PM2.5: 1.0 µg/m³ PM10: 1.0 µg/m³
123
Milton, Ontario, Canada
13.5 km PM2.5: 44.4 µg/m³
100
Milton, Ontario, Canada
13.5 km PM2.5: 35.4 µg/m³
42
Milton, Ontario, Canada
13.5 km PM2.5: 10.1 µg/m³
24
Milton, Ontario, Canada
13.5 km PM2.5: 5.8 µg/m³
16
Brampton, Ontario, Canada
13.7 km PM2.5: 3.8 µg/m³
20
Brampton, Ontario, Canada
13.7 km PM2.5: 4.8 µg/m³
18
Mississauga, Ontario, Canada
24.3 km PM2.5: 4.3 µg/m³
18
Mississauga, Ontario, Canada
24.3 km PM2.5: 4.3 µg/m³
9
Oakville, Ontario, Canada
25.1 km PM2.5: 2.2 µg/m³

What cities are near Halton Hills?

25 Georgetown 29 Brampton 32 Milton 30 Mississauga 36 Caledon 32 Guelph 26 West Humber-Clairville 26 Eringate-Centennial-West Deane 27 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 2026-05-30T09:09 UTC.