Dense fog to cover Delhi; air improves to 'very poor'

First implemented in 2016 the odd-even scheme could return soon to combat air pollution

First implemented in 2016 the odd-even scheme could return soon to combat air pollution

"The pollution level continues to be risky for the third day but Mr. Kejriwal has not awakened. he has not paid heed to the Delhi BJP's demand to call an All Party Meeting [to discuss] the issue", said Delhi BJP chief Manoj Tiwari.

Industries located in Wazirpur, Mundka, Narela, Bawana, Sahibabad and Faridabad will remain closed until Wednesday, EPCA Chairperson Bhure Lal said in a letter to Delhi Chief Secretary Vijay Kumar Dev.

The air quality levels have worsened in the national capital region for the fourth consecutive day and the alarming situation could prompt the return of the odd-even vehicle scheme.

Delhi is ranked among the world's worst cities in air quality, after years of breakneck growth in auto sales and coal-fired power generation.

According to the Indian Institute of Tropical Meteorology (IITM), air quality is likely to improve on Tuesday, but will remain in the upper end of the "very poor" or in the "severe" category.

In terms of pollution, Delhi's Air Quality Index (AQI) at 4 p.m on Wednesday was recorded at 384 (very poor), against Tuesday's "severe" air quality of 409.

As the intense cold wave and foggy weather conditions continued to engulf the national capital, the air quality too showed no signs of improvement, with the index clocking at "very poor" category. This is the fourth time this season that the air quality here has worsened to severe category.

The Environment Pollution Control and Prevention Authority (EPCA) has directed traffic police to deploy special teams and ensure congestion-free vehicular movement, particularly in identified high traffic corridors.

The agencies have also been asked to ensure strict action against illegal industries, intensify ground action and make all efforts to control polluting activities, particularly waste burning. In the Anand Vihar area, the Air Quality Index (AQI) PM 2.5 was at 311 and PM 10 at 195.

Guleria asked people to avoid visiting most polluted areas and taking preventive measures.

Amid "severe" air pollution quality in Delhi, chief minister Arvind Kejriwal hinted on Tuesday that the state government might re-introduce the odd-even auto rationing scheme if needed.

The advisory also recommended frequent wet mopping and using masks known as N-95 or P-100 respirators only for outdoor activities.

"The wind speed and ventilation index are highly unfavourable for dispersion of pollutants", it said. The air quality will remain in the very poor range for the next three days.

Vertical mixing in the room that is available for pollutants to disperse.

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