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 ...

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

A special report from the National Capital Region details the invocation of the Graded Response Action Plan (GRAP) Phase 4 ...

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

Delhi’s air quality remained in the “severe plus” category on Sunday, with 25 of the city’s 40 monitoring stations recording ...

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 ...

Areas such as Anand Vihar, Ashok Vihar, DTU, Jahangirpuri, Narela, Rohini, Vivek Vihar, Wazirpur, and Bawana were among the ...

The Commission for Air Quality Management on Saturday reimposed Stage 3 restrictions under the Graded Response Action Plan to ...

The Air Quality Index (AQI) was recorded at 401 (severe) at 11 am on Saturday, according to data from the Central Pollution ...

The Commission for Air Quality Management enforced GRAP Stage IV across Delhi-NCR as air quality slipped into the severe plus ...