AQHI now · Ogden
All cities →2.8
Low health risk
Observed Mon 12:00 PM · Calgary
- Today
- 3 Low risk
- Tonight
- 4 Moderate risk
- Tomorrow
- 3 Low risk
- Tomorrow night
- 3 Low risk
Environment and Climate Change Canada · forecast issued Mon 6:00 AM
Health advice now
- People at risk
- Enjoy your usual outdoor activities.
- Everyone else
- Ideal air quality for outdoor activities.
Pollutants now
PM2.54.5 µg/m³WHO guideline 15
PM105 µg/m³WHO guideline 45
NO₂11 µg/m³WHO guideline 25
O₃91 µg/m³WHO guideline 100
Model estimates from WeatherAPI.com; WHO 24-hour guidelines (8-hour for ozone).
Pollen today · Ogden
TreesNonenone in the air
GrassHigh54 grains/m³
WeedsHigh55 grains/m³ · Ragweed
Tue: weeds high · Wed: weeds high · Thu: 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 |
|---|---|---|
| 1 PM | 4.5 | 5 |
| 2 PM | 4.1 | 4.7 |
| 3 PM | 3.9 | 4.6 |
| 4 PM | 3.9 | 4.5 |
| 5 PM | 4 | 4.7 |
| 6 PM | 5.3 | 5.8 |
| 7 PM | 7.5 | 7.9 |
| 8 PM | 9.5 | 10 |
| 9 PM | 10.7 | 11.2 |
| 10 PM | 10.4 | 11 |
| 11 PM | 9.9 | 10.5 |
| 12 AM | 9.6 | 10.2 |