The air quality in Delhi remained ‘very poor’ on Saturday with AQI reaching 339, according to the latest estimates updated by the System of Air Quality and Weather Forecasting And Research (SAFAR). PM2.5 remains the lead pollutant.
According to SAFAR estimates updated at 6.30am, several areas in the national capital including Delhi University, Pusa, Lodhi Road, Mathura Road, IIT-Delhi and Indira Gandhi International Airport (Terminal 3) recorded air quality in the ‘very poor’ category with an AQI of 330, 329, 342, 357, 370, 346 respectively.
The air quality in the national capital was in the ‘satisfactory’ category continuously for three days from January 9 to January 11, while it slipped to the ‘moderate’ category on January 12.
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As per the government agencies, an AQI between zero and 50 is considered ‘good’, 51 and 100 ‘satisfactory’, 101 and 200 ‘moderate’, 201 and 300 ‘poor’, 301 and 400 ‘very poor’, and 401 and 500 ‘severe’.
A Met department official said that a layer of dense fog on Friday morning and moderate fog during the day over Delhi-NCR, Punjab, Haryana, west Uttar Pradesh and north Rajasthan prevented the sunlight from reaching the surface. Foggy conditions along with light north westerlies blowing over the region led to a cold day, the official added.
Meanwhile, cold wave conditions continue to grip Delhi as the temperature dipped to 8 degrees Celsius at around 7am, with a wind speed of 5 kilometres per hour.
(With inputs from agencies)
