AQHI now · St. George
All cities →2.3
Low health risk
Observed Thu 9:00 AM · St. Andrews
- Today
- 2 Low risk
- Tonight
- 2 Low risk
- Tomorrow
- 2 Low risk
- Tomorrow night
- 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
PM2.59.4 µg/m³WHO guideline 15
PM1013.2 µg/m³WHO guideline 45
NO₂4 µg/m³WHO guideline 25
O₃70 µg/m³WHO guideline 100
Model estimates from WeatherAPI.com; WHO 24-hour guidelines (8-hour for ozone).
Pollen today · St. George
TreesNonenone in the air
GrassLow<1 grains/m³
WeedsLow<1 grains/m³ · Ragweed
Fri: weeds low · Sat: weeds low · Sun: 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 |
|---|---|---|
| 9 AM | 9.4 | 13.2 |
| 10 AM | 8.7 | 12.7 |
| 11 AM | 8.1 | 12.3 |
| 12 PM | 7.5 | 11.8 |
| 1 PM | 6.3 | 10 |
| 2 PM | 5.5 | 8.8 |
| 3 PM | 5.6 | 9 |
| 4 PM | 6.6 | 10.7 |
| 5 PM | 7.4 | 12.1 |
| 6 PM | 8.4 | 13.7 |
| 7 PM | 8.6 | 14.3 |
| 8 PM | 8.4 | 13.8 |