Air Quality in Halton Hills, Canada

Drizzle
14.0°C · 93.3% humidity
14.0°
Feels 14.0°
17
Good
Air quality is satisfactory. Enjoy outdoor activities.
7 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
20 5am
20
20
17 8am
21
21
21 11am
21
21
21 2pm
21
21
21 5pm
20
20
21 8pm
23
21
21 11pm
21
21
21 2am
21
21
Station readings
23
19
23
13
CAMS model adj -4
24
24
24
24
25
25
25
25
25
25
25
25
25
24
24
25
27
25
25
25
25
25
25
25
AD 728×90

Air Quality Index Trend

48h · 4 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.

93.3%
Humidity
50.7 km/h
Wind N
1013.5 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
17
3.97 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Halton Hills?

Temperature & Precipitation

PM2.5 Trend

48h · 4 stations
PM2.53.97 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX1.4
Low
AD 300×250
Station readings (7 stations within 25 km)
3.97
Median
3.62
Average
2.4
Low
5.5
High
PM2.5 µg/m³ · Model: 5.9 · Bias: +1.9

What is the 7-day forecast for Halton Hills?

09-05
21.4° 10.2°
0.62 mm
09-06
23.3° 13.2°
1.38 mm
09-07
19.9° 12.8°
1.06 mm
09-08
22.5° 13.3°
3.37 mm
09-09
25.0° 11.0°
1.19 mm
09-10
22.6° 11.5°
2.12 mm
09-11
24.6° 9.7°
0.31 mm
Both models agree Avg diff: 3.8°C

Where are air quality stations near Halton Hills?

23
Halton Hills Air Sensor
11.8 km PM2.5: 5.4 µg/m³ PM10: 5.5 µg/m³
18
Milton, Ontario, Canada
13.5 km PM2.5: 4.3 µg/m³
12
Milton, Ontario, Canada
13.5 km PM2.5: 2.9 µg/m³
13
Milton, Ontario, Canada
13.5 km PM2.5: 3.1 µg/m³
23
Milton, Ontario, Canada
13.5 km PM2.5: 5.5 µg/m³
16
Milton, Ontario, Canada
13.5 km PM2.5: 3.8 µg/m³
17
Milton, Ontario, Canada
13.5 km PM2.5: 4.1 µg/m³
18
Brampton, Ontario, Canada
13.7 km PM2.5: 4.3 µg/m³
21
Brampton, Ontario, Canada
13.7 km PM2.5: 5.0 µg/m³
12
Brampton, Ontario, Canada
13.7 km PM2.5: 2.9 µg/m³

What cities are near Halton Hills?

18 Georgetown 22 Brampton 14 Milton 12 Mississauga 23 Caledon 10 Guelph 10 West Humber-Clairville 12 Eringate-Centennial-West Deane 13 Etobicoke 19 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 2026-09-05T12:11 UTC.