AQHI now · Brentwood
All cities →3.1
Moderate health risk
Observed Fri 6:00 AM · Calgary
- Today
- 4 Moderate risk
- Tonight
- 3 Low risk
- Tomorrow
- 3 Low risk
- Tomorrow night
- 3 Low risk
Environment and Climate Change Canada · forecast issued Fri 6:00 AM
Health advice now
- People at risk
- Consider reducing or rescheduling strenuous activities outdoors if you are experiencing symptoms.
- Everyone else
- No need to modify your usual outdoor activities unless you experience symptoms such as coughing and throat irritation.
Pollutants now
PM2.53.1 µg/m³WHO guideline 15
PM103.4 µg/m³WHO guideline 45
NO₂14 µg/m³WHO guideline 25
O₃67 µg/m³WHO guideline 100
Model estimates from WeatherAPI.com; WHO 24-hour guidelines (8-hour for ozone).
Pollen today · Brentwood
TreesNonenone in the air
GrassLow<1 grains/m³
WeedsLow10 grains/m³ · Ragweed
Sat: weeds low · Sun: weeds moderate · 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 |
|---|---|---|
| 7 AM | 3.1 | 3.4 |
| 8 AM | 3.5 | 3.8 |
| 9 AM | 3.3 | 3.6 |
| 10 AM | 3 | 3.2 |
| 11 AM | 2.7 | 2.9 |
| 12 PM | 2.4 | 2.6 |
| 1 PM | 1.9 | 2 |
| 2 PM | 1.6 | 1.8 |
| 3 PM | 1.8 | 2 |
| 4 PM | 1.9 | 2.2 |
| 5 PM | 2.4 | 2.6 |
| 6 PM | 2.8 | 3 |