AQHI now · Richmond Hill
All cities →1.4
Low health risk
Observed Fri 5:00 PM · Toronto North
- Today
- 2 Low risk
- 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
PM2.52.9 µg/m³WHO guideline 15
PM103 µg/m³WHO guideline 45
NO₂20 µg/m³WHO guideline 25
O₃42 µg/m³WHO guideline 100
Model estimates from WeatherAPI.com; WHO 24-hour guidelines (8-hour for ozone).
Pollen today · Richmond Hill
TreesNonenone in the air
GrassNonenone in the air
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 |
|---|---|---|
| 5 PM | 2.9 | 3 |
| 6 PM | 6.3 | 6.3 |
| 7 PM | 9.3 | 9.4 |
| 8 PM | 9.3 | 9.5 |
| 9 PM | 8.2 | 8.3 |
| 10 PM | 8 | 8.1 |
| 11 PM | 7.5 | 7.6 |
| 12 AM | 6.6 | 6.6 |
| 1 AM | 5.7 | 5.7 |
| 2 AM | 4.7 | 4.7 |
| 3 AM | 3.9 | 4 |
| 4 AM | 3.3 | 3.3 |