Dense fog and severe air quality levels have caused travel chaos in India's capital Delhi.
Visibility was reported to be zero in several areas in the early hours of Friday, disrupting flights, trains and road transport.
More than 150 flights were delayed and dozens of trains were running behind schedule due to bad weather, reports said.
This is one Repetitive A problem every winter in northern India, where low temperatures between December and January trap pollutants close to the ground – which affects visibility – making travel difficult and the air dangerous.
According to state-maintained data, the air quality index in Delhi was above 400 in several areas Suffer Website This is more than 25 times the safe limit set by the World Health Organization (WHO).
Authorities in the capital have brought back pollution control measures, including bans on construction and demolition activities, and school classes online.
Videos and photos from Delhi and surrounding cities show a blanket of fog blanketing roads and farms and obscured buildings.
Delhi Airport has issued an advisory alert for possible disruption due to low visibility for passengers.
“While landings and take-offs will continue at Delhi airport, flights that are not CAT III compliant may be affected,” advice Reading CAT III is a system that allows planes to land in poor visibility conditions.
According to flight tracking website flightradar24, departure at Delhi airport was delayed by more than 30 minutes and arrival was delayed by about 20 minutes.
Several passengers took to social media to complain about the chaos at the airport.
“Boarding gate has no display and no one seems to know the exact status,” wrote user X (formerly on Twitter).
Meanwhile, 26 trains in the city are running late due to fog, Indian Railways said.
The India Meteorological Department has forecast light rain over the weekend, which is expected to improve visibility conditions.
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