The national capital’s air quality deteriorated to the ‘very poor’ category on Saturday morning amid foggy weather conditions, with an overall Air Quality Index (AQI) of 339. At 7 a.m., Delhi’s humidity level was around 93 percent, making pollutants heavier and dispersion more difficult.
An AQI of zero to 50 is regarded ‘good,’ 51 to 100 is considered ‘satisfactory,’ 101 to 200 is considered ‘moderate,’ 201 to 300 is considered ‘poor,’ 301 to 400 is considered ‘very poor,’ and 401 to 500 is considered ‘severe’. Friday was the “longest foggy day of the season,” and Saturday is anticipated to be similar.
Over Delhi-NCR, Punjab, Haryana, west Uttar Pradesh, and north Rajasthan, a layer of dense fog on Friday morning and moderate fog during the day prevented sunlight from reaching the surface. A cold day was forecast due to foggy conditions and light northwesterly winds sweeping across the region.
Meanwhile, Delhi is still experiencing a cold wave, with temperatures dropping to 8 degrees Celsius at roughly 7 a.m. with a wind speed of 5 km/h.
PC :https://news.abplive.com/news/india/north-indias-winter-woes-continue-as-srinagar-delhi-record-lowest-minimum-temperature-1415691