Over 110 flights were affected at the Delhi airport after dense fog shrouded north India on Wednesday morning as visibility dropped to just 25 metres, disrupting the movement of traffic. The weather office issued a red alert over "very dense fog" in the national capital as cold wave conditions continued. As many as 25 trains headed to Delhi are delayed, Northern railways said.
As roads remained engulfed in fog, several collisions were reported across Uttar Pradesh. One person was killed and 12 others injured after multiple vehicles collided on the Agra-Lucknow Expressway. In Bareilly, a speeding truck rammed into a house near the Bareilly-Sultanpur highway.
The India Meteorological Department (IMD) predicted "dense to very dense fog conditions" over Punjab, Haryana, Delhi, UP, Rajasthan and Madhya Pradesh.
In Delhi, the Safgarjung observatory recorded a visibility level of 50 metres while at the Safdarjung observatory near the Indira Gandhi International Airport it dropped to just 25 metres. However, commuters reported even lower visibility in several parts of the national capital.
Apart from Delhi, cities in Haryana, Uttar Pradesh and Punjab saw reduced visibility due to dense haze. In Haryana's Hisar and Karnal, visibility dropped to 25 metres while in Agra, Bareilly and Bhatinda it reached zero.
The air quality in the city also recorded a sharp decline after weeks of comparatively good air. The average air quality dropped to 381, "very poor" on the Air Quality Index.
The minimum temperature in Delhi was recorded at 7 degrees Celsius while the maximum temperature is expected to rise up to 24 degrees Celsius.
According to the Central Pollution Control Board (CPCB), Delhi's Anand Vihar recorded a 441 AQI while Lodhi Road in central Delhi recorded an AQI of 327. At the IGI airport, air quality stood at 368. Neighbouring Ghaziabad and Noida recorded an AQI of 336 and 363 respectively. According to the forecast, the air quality is set to reduce even further over the next week, while
According to the weather office, very dense fog is when visibility is between 0 and 50 metres, between 51 and 200 metres is dense, between 201 and 500 metres moderate, and between 501 and 1,000 metres shallow.
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