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 ...

PHILADELPHIA (CBS) -- Air Quality Index (AQI) refers to the Environmental Protection Agency's scale regarding the health impact of air quality and pollution in the U.S., regulated under the Clear Air ...

The Air Quality Index (AQI) in the Northern, North Central, North Western and Western provinces currently ranges between 150 ...

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

Residents of Delhi are facing severe air pollution this December, with the Air Quality Index (AQI) consistently remaining in ...

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 ...