AQHI now · Cambridge
All cities →2
Low health risk
Observed Wed 9:00 AM · Kitchener
- Today
- 3 Low risk
- Tonight
- 2 Low risk
- Tomorrow
- 2 Low risk
- Tomorrow night
- 2 Low risk
Environment and Climate Change Canada · forecast issued Wed 6:00 AM
Health advice now
- People at risk
- Enjoy your usual outdoor activities.
- Everyone else
- Ideal air quality for outdoor activities.
Pollutants now
PM2.55 µg/m³WHO guideline 15
PM105.9 µg/m³WHO guideline 45
NO₂8 µg/m³WHO guideline 25
O₃56 µg/m³WHO guideline 100
Model estimates from WeatherAPI.com; WHO 24-hour guidelines (8-hour for ozone).
Pollen today · Cambridge
TreesNonenone in the air
GrassLow<1 grains/m³
WeedsLow<1 grains/m³ · Ragweed
Thu: grass low · Fri: weeds low · Sat: 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 |
|---|---|---|
| 10 AM | 5 | 5.9 |
| 11 AM | 4.3 | 5.1 |
| 12 PM | 3.8 | 4.4 |
| 1 PM | 4 | 4.7 |
| 2 PM | 4.8 | 5.7 |
| 3 PM | 5.9 | 7 |
| 4 PM | 6.8 | 8.1 |
| 5 PM | 6.8 | 8 |
| 6 PM | 5.6 | 6.4 |
| 7 PM | 4 | 4.6 |
| 8 PM | 2.7 | 3 |
| 9 PM | 1.8 | 2 |