AQHI · Placentia
Environment Canada does not report the AQHI for this area. The pollutant levels below are model estimates.
Pollutants now
PM2.53.8 µg/m³WHO guideline 15
PM105.9 µg/m³WHO guideline 45
NO₂1 µg/m³WHO guideline 25
O₃75 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
Sat: weeds low · Sun: weeds low · Mon: 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 |
|---|---|---|
| 7 PM | 3.8 | 5.9 |
| 8 PM | 3.5 | 5.5 |
| 9 PM | 3.3 | 5.3 |
| 10 PM | 3.4 | 5.4 |
| 11 PM | 3.8 | 6 |
| 12 AM | 5.4 | 8.5 |
| 1 AM | 6.2 | 9.8 |
| 2 AM | 4.7 | 7.4 |
| 3 AM | 5.2 | 8.3 |
| 4 AM | 4 | 6.4 |
| 5 AM | 2.8 | 4.5 |
| 6 AM | 3.5 | 5.7 |