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 National Capital Delhi continued to reel under hazardous air conditions on Tuesday as the city's overall AQI stood at 378 ...

Delhi-NCR woke up to severe smog on Tuesday, with Air Quality Index (AQI) reaching 'severe' levels in several areas. In ...

Delhi witnessed a slight improvement in its overall air quality index (AQI) with a significant decline from 'severe' to 'very poor' levels on Tuesday morning. However, the flight operations remained ...

Delhi's air quality plunges to 'severe' levels, with smog causing health concerns and schools shifting to hybrid classes.

The Singapore High Commission in New Delhi, on Monday, issued an advisory for its nationals in the Delhi-NCR region following ...

Delhi's air quality plummets to severe levels, with Jahangirpuri recording an alarming AQI of 498 amid thick smog.

At least four NCR cities recorded “severe” air quality index (AQI) readings of over 400. Among these, Noida fared the worst, ...

The national capital woke up to dense smog on Sunday morning as the average Air Quality Index (AQI) stood at 461 at 7 am, falling in the 'severe' category despite the Graded Response Action Plan (GRAP ...