AQHI · Placentia
Environment Canada does not report the AQHI for this area. The pollutant levels below are model estimates.
Pollutants now
PM2.57.3 µg/m³WHO guideline 15
PM1011.3 µg/m³WHO guideline 45
NO₂1 µg/m³WHO guideline 25
O₃71 µg/m³WHO guideline 100
Model estimates from WeatherAPI.com; WHO 24-hour guidelines (8-hour for ozone).
Pollen today · Placentia
TreesNonenone in the air
GrassLow<1 grains/m³
WeedsLow<1 grains/m³ · Ragweed
Sun: weeds low · Mon: weeds low · Tue: 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 |
|---|---|---|
| 4 AM | 7.3 | 11.3 |
| 5 AM | 6.2 | 9.5 |
| 6 AM | 4.9 | 7.6 |
| 7 AM | 6.8 | 10.6 |
| 8 AM | 8.4 | 13.2 |
| 9 AM | 7.2 | 11.2 |
| 10 AM | 6.2 | 9.5 |
| 11 AM | 4.7 | 7.1 |
| 12 PM | 3.3 | 4.8 |
| 1 PM | 2 | 2.8 |
| 2 PM | 1.4 | 1.6 |
| 3 PM | 0.8 | 0.9 |