‘Severe’ air and ‘cold snap’ in many parts of northwestern India
Many towns and cities in northwestern India continued to experience “severe” air quality on Thursday, including Delhi Ghaziabad, Faridabad, Noida and Greater Noida in the national capital region.
They recorded an Air Quality Index (AQI) reading between 400 and 500. Severe air “affects healthy people and seriously impacts people with existing diseases,” according to the Central Pollution Control Board.
The air quality early warning system for Delhi, under the Ministry of Earth Sciences, said surface winds are likely to remain light and ventilation will be poor, leading to deterioration in air quality. for the next two days. The scientists said the drop in air quality was mainly due to a drop in wind speed in northwestern India.
Also read: Noida, Ghaziabad among the 5 UP cities with the worst air quality in the country
Conditions from “cold snap” to “severe cold snap” are likely in parts of Punjab, Haryana, Chandigarh and Delhi on Thursday and Friday, according to the Indian Meteorological Department.
“Cold snap” conditions are also likely to occur at various points in Punjab and Haryana, Chandigarh, Delhi and Uttar Pradesh on Christmas Day.
A cold snap occurs on the plains when the minimum temperature is 10 degrees Celsius or lower and / or is 4.5 notches lower than normal for the season for two consecutive days. A cold wave is also declared when the minimum temperature is below 4 degrees Celsius in the plains.
IMD released a geospatial map on Tuesday for people to track cold waves and severe cold wave conditions across the country.
The minimum temperature in northwest India is likely to rise 2 to 4 degrees Celsius on December 26 and 27 due to an approaching western disturbance, IMD scientists said.
Heavy to very dense fog is likely in the morning hours over Punjab, Haryana, Chandigarh, and Delhi for the next three days.
Dense fog is also likely to occur in the northern parts of Uttar Pradesh, over Assam, Meghalaya, Nagaland, Manipur, Mizoram and Tripura for the next two days. Frost conditions on the ground are likely in Jammu, Kashmir, Ladakh, Gilgit-Baltistan, Muzaffarabad, Himachal Pradesh, Uttarakhand, Punjab and Haryana, Chandigarh and Delhi for the next two days, IMD said in its newsletter.