Delhi pollution: Swachh Bharat of no good, says Mamata Banerjee

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On Sunday, the poor air quality affected the India-Sri Lanka cricket test match with Sri Lankan team complaining of poor air quality that forced the hosts to declare their innings.

It had earlier directed the Central Pollution Control Board, Delhi Pollution Control Committee and every state pollution control boards to file ambient air quality analysis before the tribunal on monthly basis and also put up on their websites to enable the concerned authority to take effective steps to control air pollution. "If the height is low, pollutant get less space to disperse", said Shukla, adding that wind speed is expected to drop further on Wednesday thereby worsening the air quality.

Pollution is considered severe plus or emergency when the readings are above 300 and 500 respectively.

The air quality around India Gate on Tuesday was recorded at 258 under "poor" category.

The average AQI for the entire city was 390, on a scale of 500. However, it is menacingly close to the "severe" category. He also interacted with match referee David Boon on pollution levels in the area and the risks associated with it. The rest was in the "very poor" zone.

However, young sportspersons were seen practicing in open at Jawaharlal Nehru Stadium and Major DyanChand Stadium, where values of both PMs 2.5 and 10 were fluctuated between 247 and 250, and 460 and 464. I think Delhi must control pollution.

"The India Meteorological Department (IMD) will do overnight monitoring of the pollution levels and inform EPCA in the morning", said Shambahvi Shukla, also a researcher at CSE and member of the EPCA. The weather will remain cloudy on Tuesday, said the weather forecast.

Humidity has risen from 44.3 per cent to 51 per cent while average temperature has dipped by about two degrees since November 27.

It said that the pollution in the city has already reached alarming levels yet the government was adopting a "lackadaisical" approach in dealing with the situation.

According to an IIT-Kanpur study, the sources of PM2.5 and PM10 during the winter months are: secondary particles like nitrates (25-30 per cent), vehicles (20-25 per cent), biomass burning (17-26 per cent), municipal solid waste burning (9-8 per cent) and to a lesser extent soil and road dust.