AQHI now · Altadore
All cities →3.4
Moderate health risk
Observed Fri 8:00 PM · Calgary
- Friday night
- 4 Moderate risk
- Today
- 3 Low risk
- Tonight
- 3 Low risk
Environment and Climate Change Canada · forecast issued Fri 5:00 PM
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
PM2.50.5 µg/m³WHO guideline 15
PM100.7 µg/m³WHO guideline 45
NO₂2 µg/m³WHO guideline 25
O₃79 µg/m³WHO guideline 100
Model estimates from WeatherAPI.com; WHO 24-hour guidelines (8-hour for ozone).
Pollen today · Altadore
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 |
|---|---|---|
| 12 AM | 0.5 | 0.7 |
| 1 AM | 0.7 | 0.9 |
| 2 AM | 0.9 | 1.2 |
| 3 AM | 1.2 | 1.6 |
| 4 AM | 1.3 | 1.8 |
| 5 AM | 1.4 | 1.8 |
| 6 AM | 1.3 | 1.7 |
| 7 AM | 1.6 | 2.1 |
| 8 AM | 2.2 | 2.8 |
| 9 AM | 3.1 | 3.7 |
| 10 AM | 3.6 | 4.2 |
| 11 AM | 3.7 | 4.5 |