Air Quality in Halton Hills, Canada

Windy
11.8°C · 96.7% humidity
11.8°
Feels 11.8°
65
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
1 station

Nearby Monitoring Stations

AQI Forecast Calibrated
57 7pm
55
53
61 10pm
51
51
51 1am
64
64
64 4am
51
51
51 7am
51
51
51 10am
64
64
51 1pm
64
51
39 4pm
39
39
Station readings
57
55
53
61
CAMS model adj +14
37
37
37
37
37
37
37
50
50
50
37
37
37
37
37
37
50
50
37
50
37
25
25
25
AD 728×90

PM2.5 Trend (24h)

26h · 1 station
96.7%
Humidity
100.2 km/h
Wind SW
1021.4 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Halton Hills?

Temperature & Precipitation

PM2.518.6 µg/m³ ×1.2 WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (1 station within 25 km)
18.6
Median
18.6
Average
18.6
Low
18.6
High
PM2.5 µg/m³ · Model: 7.4 · Bias: -11.2

What is the 7-day forecast for Halton Hills?

04-09
13.3° 1.1°
04-10
12.4° 7.8°
04-11
10.5° 3.7°
9.88 mm
04-12
5.9° 3.0°
0.31 mm
04-13
18.5° 5.8°
11.75 mm
04-14
21.9° 15.3°
2.0 mm
04-15
16.3° 5.4°
13.62 mm
Both models agree Avg diff: 5.9°C

Where are air quality stations near Halton Hills?

61
Halton Hills Air Sensor
11.8 km PM2.5: 17.0 µg/m³ PM10: 17.8 µg/m³
46
Milton, Ontario, Canada
13.5 km
42
Brampton, Ontario, Canada
13.7 km
34
Brampton, Ontario, Canada
13.7 km
38
Brampton, Ontario, Canada
13.7 km
38
Brampton, Ontario, Canada
13.7 km
53
Mississauga, Ontario, Canada
24.3 km
38
Mississauga, Ontario, Canada
24.3 km
42
Mississauga, Ontario, Canada
24.3 km
50
Oakville, Ontario, Canada
25.1 km

What cities are near Halton Hills?

65 Georgetown 65 Brampton 65 Milton 65 Mississauga 40 Caledon 43 Guelph 53 West Humber-Clairville 53 Eringate-Centennial-West Deane 53 Etobicoke 65 Oakville

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T22:57 UTC.