The AQI is measured on a scale from 0 to 500, with the lower the number, the healthier the air. (Getty Creative) But many Angelenos aren’t sure if the AQI tells the full story, especially given how ...

PHILADELPHIA (WPVI) -- With smoke blowing into the Philadelphia region from the wildfires in Canada, you may have heard a lot about the Air Quality Index or AQI. But what it is, exactly? The Air ...

The Air Quality Index (AQI) is used by various government agencies to report how clean or polluted the air is in your area. For example, you may have spotted this metric popping up in local weather ...

Delhi`s Air Quality Index (AQI) was recorded at a `hazardous` level on Tuesday morning, with visibility severely affected and ...

Delhi’s 24-hour average air quality index (AQI) was 377 at 4 pm on Sunday, when the Central Pollution Control Board (CPCB) ...

Nearly 30 monitoring stations across the city are recording readings in the severe range, with some locations crossing the ...

Delhi's air quality plummets to a severe AQI of 438, causing hazardous smog and prompting emergency pollution control ...