AQHI now · Citadel
All cities →2.9
Low health risk
Observed Sun 8:00 PM · Calgary
- Tonight
- 3 Low risk
- Tomorrow
- 3 Low risk
- Tomorrow night
- 4 Moderate risk
Environment and Climate Change Canada · forecast issued Sun 5:00 PM
Health advice now
- People at risk
- Enjoy your usual outdoor activities.
- Everyone else
- Ideal air quality for outdoor activities.
Pollutants now
PM2.55.2 µg/m³WHO guideline 15
PM105.6 µg/m³WHO guideline 45
NO₂21 µg/m³WHO guideline 25
O₃57 µg/m³WHO guideline 100
Model estimates from WeatherAPI.com; WHO 24-hour guidelines (8-hour for ozone).
Pollen today · Citadel
TreesNonenone in the air
GrassHigh56 grains/m³
WeedsModerate46 grains/m³ · Ragweed
Mon: grass high · Tue: weeds high · Wed: 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 |
|---|---|---|
| 9 PM | 5.2 | 5.6 |
| 10 PM | 5.7 | 6.1 |
| 11 PM | 7.6 | 8 |
| 12 AM | 10.3 | 10.7 |
| 1 AM | 11.6 | 12 |
| 2 AM | 11.4 | 11.7 |
| 3 AM | 10.3 | 10.6 |
| 4 AM | 9.2 | 9.4 |
| 5 AM | 8.1 | 8.3 |
| 6 AM | 7.3 | 7.5 |
| 7 AM | 6.8 | 7 |
| 8 AM | 7.3 | 7.5 |