AQI, Delhi and air quality

Delhi's air quality index improved from 'very poor' to 'poor' on Monday, but it remains the most polluted city in India.
At 7 am, the Air Quality Index (AQI) was recorded at 382, falling under the 'very poor' category, according to the Central Pollution Control Board. A thick layer of smog covered the National Capital ...
The national capital woke up to a thick blanket of smog on Tuesday morning as air quality continued to languish in the `very poor` category, according to the Central Pollution Control Board (CPCB).
Delhi’s air quality has deteriorated to severe levels, forcing Noida schools to operate online until November 27. The ...
Delhi's air quality remained severely toxic on Tuesday, with the overall air quality index (AQI), which measures pollutants, ...
Delhi's air quality plummeted to hazardous levels, prompting the implementation of emergency measures. Conflicting AQI ...
Air pollution chokes New Delhi every winter, but this year's smog has already derailed everything from transport and road ...