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 woke up to a thick blanket of smog on Saturday, with air quality plunging to the ‘severe’ category and ...

At least four NCR cities recorded “severe” air quality index (AQI) readings of over 400. Among these, Noida fared the worst, recording an AQI of 455, and was the only city to breach the 450 mark.

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 on Saturday reimposed Stage 3 restrictions under the Graded Response Action Plan to ...

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

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 ...

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