PurpleAir Sensor

Air Quality Index

Value Level Meaning
0-50 Good Air quality is considered satisfactory, and air pollution poses little or no risk.
51-100 Moderate Air quality is acceptable; however, there may be a moderate health concern for unusually sensitive people.
101-150 Unhealthy for Sensitive Members of sensitive groups may experience health effects. The general public is not likely to be affected.
151-200 Unhealthy Everyone may begin to experience health effects; members of sensitive groups even more so.
201-300 Very Unhealthy Health warnings of emergency conditions. The entire population is more likely to be affected.
301-500 Hazardous Health alert: everyone may experience more serious health effects.

The Air Quality Index is from the local PurpleAir Sensor. For more information on this product, please visit www.purpleair.com.