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
AD 728×90

PM2.5 Trend (24h)

26h · 1 station
87.6%
Humidity
109.9 km/h
Wind SW
1021.2 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Temperature & Precipitation

PM2.56.04 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
6.04
Median
6.04
Average
6.04
Low
6.04
High
PM2.5 µg/m³ · Model: 8.9 · Bias: +2.9
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

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.