AQHI now · Brentwood
All cities →2.5
Low health risk
Observed Sat 11:00 PM · Calgary
- Tonight
- 3 Low risk
- Tomorrow
- 3 Low risk
- Tomorrow night
- 3 Low risk
Environment and Climate Change Canada · forecast issued Sat 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 µg/m³WHO guideline 15
PM102.1 µg/m³WHO guideline 45
NO₂10 µg/m³WHO guideline 25
O₃58 µg/m³WHO guideline 100
Model estimates from WeatherAPI.com; WHO 24-hour guidelines (8-hour for ozone).
Pollen today · Brentwood
TreesNonenone in the air
GrassHigh69 grains/m³
WeedsHigh51 grains/m³ · Ragweed
Sun: grass high · Mon: grass high · Tue: 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 |
|---|---|---|
| 11 PM | 2 | 2.1 |
| 12 AM | 2.4 | 2.5 |
| 1 AM | 3.3 | 3.3 |
| 2 AM | 4.3 | 4.4 |
| 3 AM | 5.1 | 5.2 |
| 4 AM | 5.4 | 5.5 |
| 5 AM | 5.3 | 5.4 |
| 6 AM | 5 | 5.2 |
| 7 AM | 4.8 | 4.9 |
| 8 AM | 5.1 | 5.2 |
| 9 AM | 5.2 | 5.3 |
| 10 AM | 5.3 | 5.4 |