Hourly regulatory PM2.5 observations from Canada-Quebec1.
The latest hourly PM2.5 reading is 3.8 µg/m³. The 12-hour NowCast is 4.0 µg/m³ (Good).
The monitor belongs to Canada-Quebec1. 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 1 Under control.
No out of control fires are reported within 150 km.
No being held 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 | 3.0 µg/m³ | Sep 03, 7:00PM |
| FireWork | 21.6 µg/m³ | Sep 03, 10:00PM |
| HRRR | 0.9 µg/m³ | Sep 02, 6:00PM |
Regulatory monitor
Hourly observations are supplied by Canada-Quebec1. 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.