Air Quality in Greater Sudbury, Canada
Clear
28.7°C · 36.0% humidity
28.7°
Feels 28.7°
88
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Model forecast
Nearby Monitoring Stations
Greater Sudbury's air quality — share it
AQI Forecast
Calibrated
33
10am
32
32
88
1pm
72
61
53
4pm
48
44
41
7pm
38
39
38
10pm
37
36
36
1am
34
34
33
4am
32
32
32
7am
32
32
Station readings
18h ago
AQI 87
PM2.5 29.2 µg/m³ · 18h ago
CAMS model
adj +8
25
24
24
24
24
24
24
25
25
25
25
27
27
27
27
27
25
25
25
24
24
24
24
24
Air Quality Index Trend
7h · 1 stnGreater Sudbury's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration. Current PM2.5 concentration in Greater Sudbury is 2.0× the WHO 24-hour guideline of 15 µg/m³.
36.0%
Humidity
15.7 km/h
Wind ESE
1015.1 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
29.75 µg/m³
PM10
59.3 µg/m³
050100150200300500
What is the weather forecast for Greater Sudbury?
Temperature & Precipitation
PM2.5 Trend
7h · 1 stationPM2.529.75 µg/m³
×2.0 WHO
Moderate
PM1059.3 µg/m³
Moderate
UV INDEX4.4
Moderate
What is the 7-day forecast for Greater Sudbury?
07-21
28.7° 18.6°
7.19 mm
07-22
26.6° 15.9°
07-23
18.9° 13.9°
0.19 mm
07-24
22.6° 11.5°
07-25
24.0° 13.8°
3.19 mm
07-26
21.5° 18.4°
8.0 mm
07-27
27.5° 17.4°
0.38 mm
Both models agree
Avg diff: 3.4°C
Where are air quality stations near Greater Sudbury?
What cities are near Greater Sudbury?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T17:26 UTC.