Air pollution hits ‘severe’ levels as Delhi wakes up to a choking blanket of smog

1/6Indian commuters amid heavy smog in New Delhi on Tuesday. AFP

2/6Belgium’s King Philippe at the Indian Presidential Palace, in New Delhi. AP

3/6Indian security personnel stand guard at the Rajghat, a memorial for Gandhi. AFP

4/6The rapid fall in air quality and visibility began on Monday evening. AFP

5/6By 10am, the Central Pollution Control Board recorded ‘severe’ air quality. AFP

6/6Indian labourers work on a construction site amid heavy smog conditions. AFP