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NEW DELHI: Delhi’s aerial prime improved for the 2nd consecutive time connected Thursday, though contamination levels continued to stay a concern. The city’s 24-hour mean aerial prime scale (AQI) stood astatine 234 astatine 4 pm, placing it successful the ‘poor’ category, according to information from the Central Pollution Control Board (CPCB).
The speechmaking marked an betterment from an AQI of 271 recorded astatine the aforesaid clip connected Wednesday and a crisp betterment from the ‘severe’ level of 412 recorded connected Tuesday.Of the 40 functional aerial prime monitoring stations successful the capital, 10 reported ‘moderate’ aerial prime with AQI levels beneath 200. These included Lodhi Road, IIT Delhi, Indira Gandhi International Airport and Aya Nagar. Meanwhile, 27 stations continued to grounds aerial prime successful the ‘poor’ category.Two stations — Jahangirpuri and Bawana — recorded ‘very poor’ aerial quality, with AQI levels crossing 300.Despite the caller improvement, forecasts bespeak that aerial prime is apt to deteriorate to the ‘very poor’ class successful the coming days.As per CPCB classification, an AQI betwixt 0 and 50 is considered ‘good’, 51 to 100 ‘satisfactory’, 101 to 200 ‘moderate’, 201 to 300 ‘poor’, 301 to 400 ‘very poor’ and 401 to 500 ‘severe’.
Data from the Decision Support System (DSS) for Air Quality Management showed that vehicular emissions were the largest contributor to Delhi’s contamination load connected Wednesday, accounting for 18.5 per cent. Industries successful Delhi and adjoining areas contributed 9.5 per cent, followed by operation activities astatine 2.5 per cent and discarded burning astatine 1.6 per cent.Among NCR districts, Jhajjar successful Haryana emerged arsenic the highest contributor to Delhi’s contamination astatine 17.6 per cent, followed by Rohtak astatine 5.9 per cent and Sonipat astatine 3.1 per cent.
