What is the air quality in Cornwall today?

The current Air Quality Index (AQI) in Cornwall is 30 (Good). PM2.5 concentration is 7.2 µg/m³.

What is the temperature in Cornwall right now?

The current temperature in Cornwall is 14.0°C (feels like 14.0°C). Humidity is 71.1% and wind speed is 53.4 km/h.

Is it safe to go outside in Cornwall?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.7 (Low).

Air Quality in Cornwall, Canada

Rain

14.0°C · 71.1% humidity

14.0°

Feels 14.0°

Good

Air quality is satisfactory. Enjoy outdoor activities.

3 stations

Nearby Monitoring Stations

AQI Forecast

27 7pm

30 10pm

26 1am

25 4am

24 7am

24 10am

25 1pm

25 4pm

Air Quality Index Trend

48h · 1 stn

View full history →

Cornwall's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

71.1%

Humidity

53.4 km/h

Wind NW

1014.2 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

7.2 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Cornwall?

Temperature & Precipitation

PM2.5 Trend

48h · 1 station

PM2.57.2 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

Station readings (3 stations within 25 km)

7.2

Median

7.2

Average

7.0

Low

7.4

High

PM2.5 µg/m³ · Model: 5.8 · Bias: -1.4

What is the 7-day forecast for Cornwall?

05-30

18.1° 6.1°

8.38 mm

05-31

24.5° 7.6°

0.06 mm

06-01

26.9° 15.4°

06-02

18.4° 9.8°

0.19 mm

06-03

25.4° 15.1°

06-04

22.5° 12.1°

1.56 mm

06-05

25.0° 10.1°

4.63 mm

Both models agree Avg diff: 4.7°C

Where are air quality stations near Cornwall?

Cornwall, Ontario, Canada

0.6 km PM2.5: 8.2 µg/m³

Cornwall, Ontario, Canada

0.6 km PM2.5: 3.6 µg/m³

Cornwall, Ontario, Canada

0.6 km PM2.5: 0.7 µg/m³

What cities are near Cornwall?

24 Les Coteaux 24 Salaberry-de-Valleyfield 33 Saint-Lazare 33 Vaudreuil-Dorion 36 Clarence-Rockland 30 Orléans 30 Fallingbrook 30 Gloucester 32 Pierrefonds 32 Beaconsfield

Get AQI alerts for Cornwall

Notify me when air quality reaches:

ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

Free · No account · Unsubscribe any time

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-30T02:30 UTC.