• Latest 24-hour Average PM2.5 Concentration (µg/m³)

    • Good
    • Moderate
    • Unhealthy for Sensitive Groups
    • Unhealthy
    • Very Unhealthy
    • Hazardous
  • May 13, 2024 - May 19, 2024 Smoke Plume Concentration (North America)

    • Light
    • Medium
    • Heavy