Air quality in Delhi inches closer to 'severe' category

PTI

New Delhi, November 15

The poisonous haze blanketing Delhi thickened on Wednesday with the air quality standing close to the "severe" category amid unfavourable meteorological conditions.

The national capital's Air Quality Index (AQI) stood at 392 at 8 am. The 24-hour average AQI, recorded at 4 pm every day, was 397 on Tuesday. It was 358 on Monday and 218 on Sunday.

Air pollution levels entered the severe category (AQI above 400) at many places within the city, including ITO (427), RK Puram (422), Punjabi Bagh (432), IGI Airport (404), Dwarka (416), Patparganj (417), Sonia Vihar (413), Rohini (421), Nehru Nagar (434) and Anand Vihar (430).

Neighbouring Ghaziabad (362), Gurugram (322), Greater Noida (312), Noida (364) and Faridabad (369) also recorded very poor air quality.

According to IQAir, a Swiss company that specialises in air quality monitoring, Delhi was the most polluted city in the world on Tuesday, followed by Dhaka, Lahore and Mumbai.

According to a system developed by the Pune-based Indian Institute of Tropical Meteorology to identify the contribution of different pollution sources, stubble-burning accounted for 12 per cent of the air pollution in the capital on Tuesday. It is likely to be 14 per cent on Wednesday and six per cent on Thursday.

An official of the Commission for Air Quality Management (CAQM) said stringent measures, including a ban on construction work and the entry of polluting trucks in the national capital, under the final stage of the central government's air pollution control plan called the Graded Response Action Plan (GRAP) will continue until further orders.       

"Stubble-burning incidents are rising again and the meteorological conditions are not favourable (for dispersion of pollutants). We will review the situation and act accordingly," the official added.

Doctors say breathing in the polluted air of Delhi is equivalent to the harmful effects of smoking approximately 10 cigarettes a day. 

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