AQHI now · Walkerton
All cities →1.5
Low health risk
Observed Mon 1:00 PM · Tiverton
- Today
- 2 Low risk
- Tonight
- 2 Low risk
- Tomorrow
- 2 Low risk
- Tomorrow night
- 2 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
PM2.51.5 µg/m³WHO guideline 15
PM101.7 µg/m³WHO guideline 45
NO₂1 µg/m³WHO guideline 25
O₃67 µg/m³WHO guideline 100
Model estimates from WeatherAPI.com; WHO 24-hour guidelines (8-hour for ozone).
Pollen today · Walkerton
TreesNonenone in the air
GrassModerate7 grains/m³
WeedsHigh126 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 |
|---|---|---|
| 2 PM | 1.5 | 1.7 |
| 3 PM | 1.6 | 1.8 |
| 4 PM | 1.6 | 1.9 |
| 5 PM | 1.6 | 1.8 |
| 6 PM | 1.5 | 1.8 |
| 7 PM | 1.6 | 1.9 |
| 8 PM | 1.6 | 1.9 |
| 9 PM | 1.6 | 1.9 |
| 10 PM | 1.7 | 2 |
| 11 PM | 1.7 | 2 |
| 12 AM | 1.6 | 1.9 |
| 1 AM | 1.4 | 1.6 |