Air Quality in Cornwall, Canada
Drizzle
11.1°C · 83.9% humidity
11.1°
Feels 11.1°
26
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Cornwall's air quality — share it
AQI Forecast
Calibrated
20
5pm
20
20
26
8pm
25
24
23
11pm
22
22
22
2am
23
23
23
5am
23
21
21
8am
21
21
21
11am
21
21
21
2pm
21
21
Station readings
26h ago
AQI 21
PM2.5 5.0 µg/m³ · 26h ago
Air Quality Index Trend
48h · 2 stnCornwall's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
83.9%
Humidity
46.0 km/h
Wind SSW
997.9 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.2 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Cornwall?
Temperature & Precipitation
PM2.5 Trend
48h · 2 stationsPM2.56.2 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (1 station within 25 km)
6.2
Median
6.2
Average
6.2
Low
6.2
High
PM2.5 µg/m³ · Model: 6.0 · Bias: -0.2
What is the 7-day forecast for Cornwall?
06-09
26.6° 10.5°
0.94 mm
06-10
16.6° 10.1°
11.69 mm
06-11
24.5° 9.7°
06-12
21.2° 16.0°
1.13 mm
06-13
24.9° 18.6°
5.25 mm
06-14
24.9° 9.4°
3.19 mm
06-15
22.0° 14.8°
11.75 mm
Both models agree
Avg diff: 6.4°C
Where are air quality stations near Cornwall?
What cities are near Cornwall?
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-09T00:26 UTC.