Air quality in Delhi deteriorates, AQI remains in the "very bad" category

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Air pollution in the capital and surrounding areas worsened on Tuesday morning as the Air Quality Index (AQI) fell into the "very bad" category. In the morning, AQI landed at 302 in Delhi, according to the Center's Air Quality, Weather Forecast and Research System (SAFAR).

AQI was highest at 500 in Chandni Chowk, followed by Dhirpur at 326, Airport (T3) at 312, Mathura Road at 311, Delhi University at 302, IIT Delhi at 293, Lodhi Road at 269, Pusa at 252 and Ayanagar The AQI in Noida stood at 310 and Gurugram at 204.

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An AQI between 0 and 50 is rated as "good", 51 to 100 as "satisfactory", 101 to 200 as "moderate", 201 to 300 as "poor", 301 to 400 as "very bad" and 401 to 500 as " difficult ". An AQI over 500 falls into the "heavy plus" category. During the winter, most of northern India suffers from an increase in air toxicity each year due to changing weather conditions and burning crop residues in the neighboring states of Haryana, Punjab and Uttar Pradesh.

The temperature at 5:30 a.m. in Delhi was 6.8 degrees Celsius and visibility was 1200 meters. SAFAR suggested a further deterioration in air quality up to the middle end of the very bad category. Surface winds are forecast to increase by February 5, and this is likely to improve air quality to lower the end of the very bad to bad category by February 5 afternoon.

A total of 10 trains were delayed by up to 3 hours due to fog in several parts of northern India.

According to railway officials from the north, the 12779 Vasco-Nizamuddin Goa Express was 3.45 hours, the 12801 Puri-New Delhi Purushottam Express was 3 hours, the 15955 Dibrugarh-Delhi Jn Brahmaputra Mail was 2 hours and the 12273 Howrah-New Delhi Duronto Express 1 hour delay, 12303 Howrah-New Delhi Poorva Express 2 hours, 12367 Bhagalpur-Anand Vihar Vikramshila Express 1 hour, 12393 Rajendra Nagar-New Delhi Sampoorn Kranti 1 hour, 14205 Faizabad-New Delhi Jn Faizabad Express at 1.30 hours, 12371 Howrah-Jaisalmer Express at 1 hour and 13008 Shri Ganganagar-Howrah Junction UA ​​Toofan Express at 1 hour.