Air Quality in Cornwall, Canada

Windy
16.5°C · 72.9% humidity
16.5°
Feels 16.5°
23
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
23 6am
21
21
23 9am
21
21
21 12pm
21
21
21 3pm
21
21
21 6pm
21
23
21 9pm
21
21
23 12am
23
23
23 3am
23
23
Station readings 39h ago
AQI 21
PM2.5 5.0 µg/m³ · 39h ago
AD 728×90

Air Quality Index Trend

48h · 2 stn

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.

72.9%
Humidity
48.7 km/h
Wind SW
1012.9 hPa
Pressure
7.9
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
23
5.43 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

48h · 2 stations
PM2.55.43 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX7.9
Very High
AD 300×250
5.43
Median
5.43
Average
4.1
Low
7.2
High
PM2.5 µg/m³ · Model: 6.0 · Bias: +0.6
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
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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 2026-06-09T13:40 UTC.