AQHI · Placentia
Environment Canada does not report the AQHI for this area. The pollutant levels below are model estimates.
Pollutants now
PM2.50.1 µg/m³WHO guideline 15
PM100.1 µg/m³WHO guideline 45
NO₂0 µg/m³WHO guideline 25
O₃76 µg/m³WHO guideline 100
Model estimates from WeatherAPI.com; WHO 24-hour guidelines (8-hour for ozone).
Pollen today · Placentia
TreesNonenone in the air
GrassLow4 grains/m³
WeedsHigh51 grains/m³ · Ragweed
Sun: weeds high · Mon: weeds moderate · Tue: weeds moderate
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 PM | 0.1 | 0.1 |
| 5 PM | 0.1 | 0.1 |
| 6 PM | 0.3 | 0.5 |
| 7 PM | 0.7 | 1 |
| 8 PM | 1.1 | 1.5 |
| 9 PM | 1.3 | 1.8 |
| 10 PM | 1 | 1.3 |
| 11 PM | 0.9 | 1.1 |
| 12 AM | 0.9 | 1.2 |
| 1 AM | 0.8 | 1 |
| 2 AM | 0.5 | 0.7 |
| 3 AM | 0.3 | 0.4 |