NCR have consistently ranged between the 'very poor' and 'severe' categories. Owing to the deteriorating level of air quality, the authorities in Noida have decided to continue the online classes for school students on Monday as well.

Whatever the causes of the smog, by one ranking Delhi was not just the most polluted city in the world, but “nearly five times as bad as the second most polluted city, Dhaka,” in Bangladesh next door, as Shashi Tharoor, a leader of the opposition in Parliament and best-selling author, posted on X.

Toxic smog engulfed much of northern India on Monday and pollution readings in New Delhi hit their highest of this pre-winter season, after dense fog overnight.

New Delhi government employees have been ordered to work from home as toxic smog continues to blanket India's capital on Friday.

Unhealthy

A thick, toxic smog has enveloped India's capital, home to more than 33 million people. One technology firm which monitors air pollution ranked New Delhi as the most polluted city in the world.

A suffocating haze of toxic smog in New Delhi will prevent Charlotte de Witte from performing as the city cracks down to halt further environmental damage. The techno superstar's Sunburn Arena performance, which was scheduled for this weekend, has officially been cancelled as the city grapples with the toxic air conditions.

Dense smog continues to engulf most parts of northern India on Monday with readings of air quality in the capital New Delhi reaching their highest levels this year after dense