The AQI is an index for reporting daily air quality. It tells you how clean or polluted your air is, and what associated health effects might be a concern for you.
The city of Philadelphia participates in Air Quality Action Days. These action days regulate when an emergency backup generator or fire pump can be tested or operated.
The AQI is an index for reporting daily air quality. It tells you how clean or polluted your air is, and what associated health effects might be a concern for you.