Topics
Canadian wildfires
Every story about Canadian wildfires, updated as news breaks.
What to know
- Rochester's AQI has varied between unhealthy for sensitive groups and fair in recent days. Jun 9
- Fine particulate matter (PM2.5) from Canadian wildfires is the primary pollutant. Jun 9
- NYC’s AQI moved from moderate to unhealthy for sensitive groups this week. Jun 9
- Smoke from over 200 Canadian wildfires and ground‑level ozone are the main pollutants. Jun 9
Timeline
- Jun 9, 2025
- Jun 9, 2025

