Delhi air quality improves slightly, but AQI still under `severe` category

The AQI in Gurugram and Noida too improved a bit too, but remained in the 'severe' category at 493, 405, respectively. An AQI between 301 and 400 falls in 'very poor' category while an AQI above 400 qualifies under 'severe' category, and above 500 is 'severe-plus emergency' category.

from Zee News :India National https://ift.tt/2WJ1yBn