NEW DELHI: Delhi was ranked the sixth most polluted metropolis in India in October, trailing behind Ghaziabad and Noida, in line with a brand new report by the Centre for Analysis on Vitality and Clear Air (CREA).The research, primarily based on steady air high quality monitoring information, discovered a pointy drop in air high quality throughout the Indo-Gangetic Plain, notably within the Nationwide Capital Area. Dharuhera in Haryana topped the checklist as probably the most polluted metropolis, recording a month-to-month common PM2.5 stage of 123 µg/m³, double the nationwide protected restrict.Delhi’s air high quality additionally worsened considerably, with its month-to-month common rising to 107 µg/m³, almost thrice increased than in September. CREA famous that whereas stubble burning contributed lower than six per cent of Delhi’s PM2.5 ranges in October, the spike factors to the influence of year-round air pollution sources and the boundaries of short-term seasonal measures just like the Graded Response Motion Plan.Dharuhera breached nationwide air high quality requirements on 77 per cent of the times final month, logging two ‘extreme’ and 9 ‘very poor’ days. Different cities excessive on the air pollution checklist included Rohtak, Ghaziabad, Noida, Ballabgarh, Bhiwadi, Higher Noida, Hapur, and Gurgaon, most of them a part of the NCR area.High 10 most polluted cities
Additionally learn: Information underneath hearth, SC seeks report on measures to sort out air pollutionOn the different finish, Shillong in Meghalaya was India’s cleanest metropolis, with a mean PM2.5 focus of 10 µg/m³. 4 cities from Karnataka and three from Tamil Nadu additionally featured among the many prime 10 cleanest.Out of 249 cities analysed, 212 met India’s nationwide air high quality requirements, however solely six complied with the World Well being Organisation’s protected restrict of 15 µg/m³. The report additionally confirmed a pointy decline within the variety of cities with ‘good’ air high quality, dropping from 179 in September to only 68 in October.
