New Delhi [India], Nov. 5 : The schools running under the three municipal corporations of Delhi will be closed today in view of the heavy smog.

About 10 lakh students are enrolled in the schools administered by the all three municipal corporations.

The national capital is facing the worst smog in 17 years.

On Thursday, the Centre for Science and Environment (CSE) pressed alarm buttons to highlight one of the worst cases of smog in the national capital.

CSE experts said that as per the India Meteorological Department, the smog on November 2 was the worst in 17 years.

Analysing the available data, the CSE reports states that the post-Diwali peak of pollution is higher than the Diwali peak, as the levels of PM2.5 have increased by 62.7 per cent on November 2 as compared to that on Diwali. On November 2, the levels were 9.4 times the standard.

The Indira Gandhi International Airport in Delhi recorded the worst levels of smog in 17 years on November 2, with visibility as low as 300-400 metres.

The period between 11a.m. and 2:30 p.m. was the worst in the day with respect to airport visibility.

Joint studies of Central Pollution Control Board and the Chittaranjan National Cancer Research Institute from Kolkata has shown that every third child in Delhi has impaired lungs. (ANI)