Air Quality in Bolton, Canada
Windy
14.3°C · 87.6% humidity
14.3°
Feels 14.3°
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
AQI Forecast
Calibrated
27
5pm
48
73
41
8pm
54
54
54
11pm
54
54
54
2am
54
54
54
5am
54
41
41
8am
54
54
41
11am
41
41
41
2pm
29
16
Station readings
27
48
73
CAMS model
adj +4
37
37
37
37
50
50
50
50
50
50
50
50
50
50
37
37
50
50
37
37
37
37
25
12
PM2.5 Trend (24h)
26h · 1 station87.6%
Humidity
109.9 km/h
Wind SW
1021.2 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
What is the weather forecast for Bolton?
Temperature & Precipitation
PM2.56.04 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (1 station within 25 km)
6.04
Median
6.04
Average
6.04
Low
6.04
High
PM2.5 µg/m³ · Model: 8.9 · Bias: +2.9
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
38
Brampton, Ontario, Canada
38
Brampton, Ontario, Canada
26
NASA GSFC Rutgers Calib. N20
38
Toronto West, Ontario, Canada
46
Newmarket, Ontario, Canada
42
Newmarket, Ontario, Canada
33
Newmarket, Ontario, Canada
42
Newmarket, Ontario, Canada
What cities are near Bolton?
Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T20:16 UTC.