Summer | Minimum temperature in most of Bengal has increased in past 50 years telegraphindia.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from telegraphindia.com Daily Mail and Mail on Sunday newspapers.
Three air quality monitoring stations in Calcutta at Ballygunge, Bidhannagar and Victoria Memorial reported 'very poor' air quality at 6pm, as did the station at Ghusuri in Howrah