AirCast Snapshot
About AQI
AQI is a simple scale that describes how clean or polluted the air is.
A lower AQI means cleaner air. A higher AQI means more caution is needed, especially for sensitive groups.
AQI 0 - 50
Enjoy outdoor activity.
AQI 51 - 100
Most people can continue normal activity.
AQI 101 - 150
Sensitive users should reduce exposure.
AQI 151 - 200
Wear a mask and limit prolonged outdoor activity.
AQI 201 - 300
Avoid outdoor activity unless necessary.
AQI 301+
Stay indoors and avoid outdoor exposure.