Delhi NCR is implementing GRAP Stage 3 measures due to severe air pollution, halting non-essential construction and restricting vehicle use. BS-III petrol and BS-IV diesel vehicles are banned, impacting transportation.

Delhi air quality plummets to alarming levels every year in the winter. The air quality in the capital remains in the 'severe' category prompting the authorities to impose the third stage of GRAP.

Dr. Bajaj also revealed that air pollution is responsible for affecting lung development by causing premature birth, low birth weight or impairing the development of the immune system.