• Average PM2.5 Concentration (µg/m³) (Past 24 Hours)

    • Good
    • Moderate
    • Unhealthy for Sensitive Groups
    • Unhealthy
    • Very Unhealthy
    • Hazardous
  • Large Fires (Past Week)

    • 7 days ago
    • 6 days ago
    • 5 days ago
    • 4 days ago
    • 3 days ago
    • 2 days ago
    • 1 day ago
  • Smoke Plume Concentration (North America, Latest 7 days)

    • Low density
    • Medium density
    • High density