Air Quality in Cornwall, Canada

Windy
11.9°C · 92.0% humidity
11.9°
Feels 11.9°
23
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model

Nearby Monitoring Stations

AQI Forecast Calibrated
22 7pm
33
34
30 10pm
30
30
30 1am
30
30
30 4am
30
30
30 7am
30
30
42 10am
42
42
42 1pm
42
30
42 4pm
42
42
Station readings
22
33
34
CAMS model adj +5
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
37
37
37
37
37
25
37
37
37
AD 728×90

PM2.5 Trend (24h)

26h · 1 station
92.0%
Humidity
86.2 km/h
Wind SSW
1022.7 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Cornwall?

Temperature & Precipitation

PM2.55.45 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250

What is the 7-day forecast for Cornwall?

04-09
14.6° 0.8°
04-10
19.0° 10.0°
04-11
14.5° 6.6°
6.94 mm
04-12
13.1° 2.0°
04-13
16.1° 7.8°
25.0 mm
04-14
18.5° 14.4°
5.62 mm
04-15
16.5° 7.9°
8.81 mm
Both models agree Avg diff: 5.2°C

Where are air quality stations near Cornwall?

45
Cornwall, Ontario, Canada
0.6 km
34
Cornwall, Ontario, Canada
0.6 km
46
Cornwall, Ontario, Canada
0.6 km

What cities are near Cornwall?

28 Les Coteaux 28 Salaberry-de-Valleyfield 27 Saint-Lazare 27 Vaudreuil-Dorion 37 Clarence-Rockland 41 Orléans 41 Fallingbrook 39 Gloucester 20 Pierrefonds 20 Beaconsfield

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T22:16 UTC.