AQHI now · Chesterville
All cities →1.6
Low health risk
Observed Wed 5:00 PM · Cornwall
- Tonight
- 2 Low risk
- Tomorrow
- 2 Low risk
- Tomorrow night
- 2 Low risk
Environment and Climate Change Canada · forecast issued Wed 5:00 PM
Health advice now
- People at risk
- Enjoy your usual outdoor activities.
- Everyone else
- Ideal air quality for outdoor activities.
Pollutants now
PM2.52.4 µg/m³WHO guideline 15
PM102.4 µg/m³WHO guideline 45
NO₂4 µg/m³WHO guideline 25
O₃72 µg/m³WHO guideline 100
Model estimates from WeatherAPI.com; WHO 24-hour guidelines (8-hour for ozone).
Pollen today · Chesterville
TreesNonenone in the air
GrassLow4 grains/m³
WeedsHigh93 grains/m³ · Ragweed
Thu: weeds high · Fri: weeds high · Sat: weeds high
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 |
|---|---|---|
| 6 PM | 2.4 | 2.4 |
| 7 PM | 2.8 | 2.9 |
| 8 PM | 3.2 | 3.2 |
| 9 PM | 3.4 | 3.4 |
| 10 PM | 3.5 | 3.5 |
| 11 PM | 3.6 | 3.7 |
| 12 AM | 3.9 | 4 |
| 1 AM | 4.5 | 4.6 |
| 2 AM | 5.2 | 5.2 |
| 3 AM | 5.8 | 5.8 |
| 4 AM | 6.5 | 6.5 |
| 5 AM | 7.2 | 7.2 |