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Toxic smog chokes India's capital during Diwali celebrations

Toxic smog chokes India's capital during Diwali celebrations

Visitors walks near the presidential palace amid smoggy conditions during the Hindu festival of Diwali, in New Delhi on Nov 4, 2021. (Photo by Sajjad HUSSAIN / AFP)

NEW DELHI: India's capital was choked in a shroud of thick, toxic smog on Thursday (Nov 4) as millions gathered with family and friends to celebrate the Hindu festival of Diwali.

New Delhi is ranked as one of the most polluted cities globally, with a hazardous melange of factory emissions, car exhaust and smoke from agricultural fires settling in the skies over its 20 million people each winter.

People across the sprawling city woke to find themselves enveloped in a grey-yellow blanket of haze, with experts warning of worse to come in the days ahead.

Levels of PM2.5 - the smallest and most harmful particles polluting the air - peaked at an average of 389 on Thursday, according to readings from metropolitan monitoring stations run by government air quality agency SAFAR.

The figure is more than 15 times higher than the safe limits set by the World Health Organization.

SAFAR advised residents to avoid outdoor activities and wear masks when outside.

The agency also warned that illegal fireworks traditionally used to mark the Diwali festival could further heighten pollution levels on Friday.

Delhi and many neighbouring cities have banned or highly restricted their use to avoid a spike in air pollution.

In the lead-up to the festival, police seized four tons of firecrackers from around the city and arrested dozens selling them illegally.

The capital witnesses its annual smog crisis at the onset of winter, when temperatures drop and air moisture levels rise.

Low wind pressure over the city often traps pollutants emanating from vehicles and industries.

The problem is compounded by agricultural fires, set by farmers in neighbouring states to clear their lands of crop residue before the next planting season.

The practice was banned in 2015 but continues unabated, and smog levels are set to spike further in the coming days as the burning reaches its annual peak.

"The share of pollution from stubble burning has increased from 8 per cent to 25 per cent today and on Friday it will be 40 per cent," Gufran Beig, SAFAR's programme director, told AFP.

A 2020 report by Swiss organisation IQAir found 22 of the world's 30 most polluted cities were in India, with Delhi ranked the most polluted capital globally.

The same year, the Lancet said 1.67 million deaths were attributable to air pollution in India in 2019, including almost 17,500 in the capital.

Source: AFP/gs

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