Canada air quality and smoke forecast
National outlook
Communities to watch
Updated twice hourly from alerts, current readings, worsening trends, and the highest available 24-hour forecast. Monitors report on their own schedules.
Map layers
Map legend
Regional air quality and smoke forecasts
Current median PM2.5 from reporting regulatory monitors, with the highest available 48-hour smoke forecast. Updated twice hourly; monitors report on their own schedules.
Smoke forecasts by city
Select a province or territory for an overview of every monitor there.