Data from the city’s pollution monitoring agency showed that concentrations of Particulate Matter or PM 10 (coarser pollutants) was over 1,200 micrograms per cubic metre this morning compared to a safe level of 100 at around 9 am in Delhi’s Anand Vihar. PM 2.5, a standard measure of air quality, was as much as 13 times the safe limit.
These particles can cause respiratory diseases if one is subjected to prolonged exposure to unsafe levels.
“It has been decided to keep the municipal schools shut on Saturday because of smog in Delhi. The schools will operate as normal from Monday,” Yogendra Mann, spokesman for the Municipal Corporation of Delhi, told AFP.
New Delhi’s air quality has steadily worsened over the years, a consequence of rapid urbanisation that brings pollution from diesel engines, coal-fired power plants and industrial emissions.
It also suffers from atmospheric dust, the burning of crop stubble in farms around the city and pollution from open fires lit by the urban poor to keep warm in winter or to cook food.
The latest crisis began in the aftermath of the celebrations last Sunday night for Diwali when millions of firecrackers were set off, leaving the city blanketed in smog overnight.