Hourly regulatory PM2.5 observations from Ontario Ministry of the Environment (AQO direct).
The latest hourly PM2.5 reading is 6.0 µg/m³. The 12-hour NowCast is 6.1 µg/m³ (Good).
The monitor belongs to Ontario Ministry of the Environment (AQO direct). Real-time readings are preliminary and may be revised.
The air-quality category applies to the NowCast, not to a single hourly reading. Methodology and source policy.
Within 150 km, agencies report 4 Out of control · 2 Being held.
No under control fires are reported within 150 km.
Proximity and wind direction do not prove that a fire caused smoke at this location. Sources: BC Wildfire Service in British Columbia; Natural Resources Canada CWFIS elsewhere.
Background bands (US EPA AQI, 24-h basis): ■ Good · ■ Moderate
| Model | Peak | Time |
|---|---|---|
| FireSmoke | 7.1 µg/m³ | Sep 03, 7:00PM |
| FireWork | 15.1 µg/m³ | Sep 03, 10:00AM |
| HRRR | 0.8 µg/m³ | Sep 02, 2:00PM |
Regulatory monitor
Hourly observations are supplied by Ontario Ministry of the Environment (AQO direct). Real-time data are preliminary and may be revised by the agency.
For information only — not a substitute for official health or emergency advice. Methodology and source policy.