After a few days of respite, the overall air quality index (AQI) again deteriorated to 'very poor' category on Sunday in the national capital after the level of harmful pollutants shot up.According to Centre-run SAFAR, Delhi's AQI was docking at 382 in the morning. At Dhirpur, the AQI was 423 at 9:30 am, while in Mathura Road area it dipped to 'hazardous' category at 416.Furthermore, the AQI near Pitampura, Airport Terminal 3 and Delhi University stood at 429, 452 and 454 respectively.The India Meteorological Department has predicted that the weather in Delhi will mostly be foggy, with highs and lows reaching 23 Degree Celsius and 9 Degrees Celsius with haze and mist in the air.Due to the foggy weather, at least 9 trains were rescheduled after getting delayed by at least 2 hours.The trains -- Guwahati Express, Bhagalpur Express, Bhagalpur- Anand Vihar Garib Rath were delayed by 3 hours each.Owing to low visibility, the railways delayed Puri-New Delhi Purushottam Express, JayNagar-New .
