AQHI now · Tiny
All cities →1.3
Low health risk
Observed Thu 9:00 AM · Barrie
- Today
- 3 Low risk
- Tonight
- 2 Low risk
- Tomorrow
- 3 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
PM2.52.4 µg/m³WHO guideline 15
PM102.4 µg/m³WHO guideline 45
NO₂4 µg/m³WHO guideline 25
O₃50 µg/m³WHO guideline 100
Model estimates from WeatherAPI.com; WHO 24-hour guidelines (8-hour for ozone).
Pollen today · Tiny
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 |
|---|---|---|
| 10 AM | 2.4 | 2.4 |
| 11 AM | 2.4 | 2.4 |
| 12 PM | 2.7 | 2.7 |
| 1 PM | 3.1 | 3.2 |
| 2 PM | 3.3 | 3.4 |
| 3 PM | 3.3 | 3.4 |
| 4 PM | 3.8 | 4 |
| 5 PM | 5.5 | 5.7 |
| 6 PM | 4.8 | 5 |
| 7 PM | 4.8 | 5 |
| 8 PM | 5.1 | 5.2 |
| 9 PM | 5.9 | 6 |