AQI Guide

Color White Green Yellow Orange Red
PM2.5 Level (μg/m3) Sensor Inactive 0-35 36-53 53-70 >71
Advice to general public No restrictions on outdoor activities. No restrictions on outdoor activities. Any person who is not feeling well, consider reducing outdoor activities. Any person who is not feeling well, should reduce physical exertion.
Advice to sensitive groups No restrictions on outdoor activities. Those with respiratory and cardiovascular diseases should reduce outdoor activities. Those with respiratory and cardiovascular diseases should reduce physical exertion. Those with respiratory and cardiovascular diseases should avoid outdoor activities altogether.