Air Quality in Bolton, Canada

Windy
12.0°C · 95.2% humidity
12.0°
Feels 12.0°
26
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast Calibrated
48 6pm
50
69
56 9pm
56
56
56 12am
56
56
56 3am
56
56
56 6am
43
43
56 9am
56
43
43 12pm
43
43
31 3pm
18
18
Station readings
48
50
69
CAMS model adj +6
37
37
37
50
50
50
50
50
50
50
50
50
50
37
37
50
50
37
37
37
37
25
12
12
AD 728×90

PM2.5 Trend (24h)

26h · 1 station
95.2%
Humidity
89.8 km/h
Wind SSW
1021.1 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Bolton?

Temperature & Precipitation

PM2.56.23 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (1 station within 25 km)
6.23
Median
6.23
Average
6.23
Low
6.23
High
PM2.5 µg/m³ · Model: 8.9 · Bias: +2.7

What is the 7-day forecast for Bolton?

04-09
14.3° 0.8°
04-10
13.7° 9.4°
04-11
9.8° 2.6°
7.88 mm
04-12
6.2° 1.5°
04-13
20.0° 5.2°
10.38 mm
04-14
22.2° 16.7°
9.69 mm
04-15
17.1° 4.7°
7.0 mm
Both models agree Avg diff: 5.8°C

Where are air quality stations near Bolton?

34
Brampton, Ontario, Canada
20.4 km
38
Brampton, Ontario, Canada
20.4 km
38
Brampton, Ontario, Canada
20.4 km
38
Brampton, Ontario, Canada
20.4 km
30
NASA GSFC Rutgers Calib. N20
23.7 km PM2.5: 7.1 µg/m³
42
Toronto West, Ontario, Canada
24.5 km
38
Toronto West, Ontario, Canada
24.5 km
42
Newmarket, Ontario, Canada
27.4 km
50
Newmarket, Ontario, Canada
27.4 km
33
Newmarket, Ontario, Canada
27.4 km

What cities are near Bolton?

56 Mount Olive-Silverstone-Jamestown 26 Vaughan 24 Caledon 56 Humbermede 56 West Humber-Clairville 26 Black Creek 73 Brampton 26 Glenfield-Jane Heights 26 York University Heights 26 Richmond Hill

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T21:05 UTC.