Check PurpleAir for updates on air quality: map.purpleair.com/air-quality-...
Unhealthy for Sensitive Groups: 101 – 150 ppm
Unhealthy: 151 – 200
Very Unhealthy: 201 – 300
Hazardous: 301 – 500
8-hour breakpoints (ppm)
Unhealthy: 95 – 115
Very Unhealthy: 115 – 375
Check PurpleAir for updates on air quality: map.purpleair.com/air-quality-...
Unhealthy for Sensitive Groups: 101 – 150 ppm
Unhealthy: 151 – 200
Very Unhealthy: 201 – 300
Hazardous: 301 – 500
8-hour breakpoints (ppm)
Unhealthy: 95 – 115
Very Unhealthy: 115 – 375