AQHI now · Thamesville
All cities →1.6
Low health risk
Observed Thu 3:00 PM · Chatham
- Today
- 1 Low risk
- Today
- 1 Low risk
- Today
- 1 Low risk
- Today
- 1 Low risk
Environment and Climate Change Canada · forecast issued Thu 6:00 AM
Health advice now
- People at risk
- Enjoy your usual outdoor activities.
- Everyone else
- Ideal air quality for outdoor activities.
Pollutants now
PM2.59.7 µg/m³WHO guideline 15
PM1010.6 µg/m³WHO guideline 45
NO₂7 µg/m³WHO guideline 25
O₃74 µg/m³WHO guideline 100
Model estimates from WeatherAPI.com; WHO 24-hour guidelines (8-hour for ozone).
Particles · next 12 hours
µg/m³| Time | PM2.5 | PM10 |
|---|---|---|
| 4 PM | 9.7 | 10.6 |
| 5 PM | 8.3 | 9.2 |
| 6 PM | 8.4 | 9.3 |
| 7 PM | 8.8 | 9.4 |
| 8 PM | 8 | 8.5 |
| 9 PM | 5.4 | 5.8 |
| 10 PM | 3.8 | 4 |
| 11 PM | 2.4 | 2.5 |
| 12 AM | 1.6 | 1.6 |
| 1 AM | 1.4 | 1.5 |
| 2 AM | 1.1 | 1.2 |
| 3 AM | 1.1 | 1.2 |