AQHI now · Cornwall
All cities →1.8
Low health risk
Observed Fri 6:00 PM · Cornwall
- Tonight
- 2 Low risk
- Tomorrow
- 2 Low risk
- Tomorrow night
- 2 Low risk
Environment and Climate Change Canada · forecast issued Fri 5:00 PM
Health advice now
- People at risk
- Enjoy your usual outdoor activities.
- Everyone else
- Ideal air quality for outdoor activities.
Pollutants now
PM2.59.3 µg/m³WHO guideline 15
PM109.3 µg/m³WHO guideline 45
NO₂22 µg/m³WHO guideline 25
O₃28 µg/m³WHO guideline 100
Model estimates from WeatherAPI.com; WHO 24-hour guidelines (8-hour for ozone).
Pollen today · Cornwall
TreesNonenone in the air
GrassLow<1 grains/m³
WeedsLow<1 grains/m³ · Ragweed
Sat: weeds low · Sun: weeds low · Mon: weeds low
Model estimate from WeatherAPI.com — pollen grains per m³ of air; levels on the National Allergy Bureau scale.
Model estimate from WeatherAPI.com — pollen grains per m³ of air; levels on the National Allergy Bureau scale.
Particles · next 12 hours
µg/m³| Time | PM2.5 | PM10 |
|---|---|---|
| 7 PM | 9.3 | 9.3 |
| 8 PM | 10.7 | 10.7 |
| 9 PM | 11.5 | 11.5 |
| 10 PM | 12.2 | 12.2 |
| 11 PM | 12 | 12.1 |
| 12 AM | 9.4 | 9.4 |
| 1 AM | 5.2 | 5.2 |
| 2 AM | 2.2 | 2.2 |
| 3 AM | 0.9 | 0.9 |
| 4 AM | 0.6 | 0.6 |
| 5 AM | 0.6 | 0.6 |
| 6 AM | 0.8 | 0.8 |