"stubble-burning"

During his tenure as an apex court judge, Justice Lokur had dealt with pollution matter which included the aspect of stubble burning.

Kejriwal said that if the Delhi government can make efforts to prevent stubble burning, so can other state governments.

An AQI between 0 and 50 is considered 'good', 51 and 100 'satisfactory', 101 and 200 'moderate', 201 and 300 'poor', 301 and 400 'very poor', and 401 and 500 'severe'.