It may reintroduce its odd-even scheme to regulate vehicular movement, Deputy Chief Minister Manish Sisodia said. Under the formula, odd and even numbered vehicles ply on alternate days.
As a thick haze hung over Delhi, leaving people gasping for breath, Sisodia said the Delhi government had also asked all schools to stop outdoor activities, including morning assemblies.
"Primary schools in Delhi, including private ones, will remain closed tomorrow. We are monitoring the situation on an hourly basis and a further decision on the measures will be taken on Thursday," he told reporters here.
The government has also issued a health advisory for high risk people, including children, the elderly and those suffering from asthma or heart ailments.
More From This Section
"We appeal to the people of Delhi to avoid morning and evening walks," he said.
The situation following the alarming pollution levels in the city was reviewed by Delhi Chief Minister Arvind Kejriwal at a meeting with senior officials, including those from the Health and Environment departments.
Sisodia also said if the situation worsened, the government was ready to go ahead with measures for a Graded Action Plan - banning the entry of trucks, a ban on construction and reintroducing the odd-even formula for vehicular movement.
Sisodia said the government had also advised citizens not to burn dry leaves, crop residue, wood, coal etc.
The Directorate of Education (DoE) has also issued a circular to schools about the closure.
"In the light of the deteriorating air quality in the city, classes nursery to fifth in all government, government aided, private, MCD, NDMC, DCB and unrecognised schools will remain closed tomorrow.
"All outdoor activities will remain suspended for students of classes 6 to 12. All teachers, however, shall attend school as usual. Teachers of primary classes will utilise this time in academic work and planning," it added.
The smog brought down visibility levels, affecting flight and train operations. The heavy air permeated living rooms and even underground Metro stations.
The air quality index was in the "severe" category -- with a score of 448 in a scale of 500 -- for the second time this year.