Diwali: Smog chokes New Delhi despite firework ban
With millions celebrating in the Indian capital, authorities banned the sale of fireworks to prevent an air pollution crisis. But the night after devotees commemorated Diwali, pollution rose to alarming levels.
Diwali: The festival of light
Diwali, a festival commemorating the triumph of light over darkness, is observed by Hindus, Sikhs and Jains across South Asia. The festival is often celebrated with fireworks, the lighting of candles and cleaning one's home. But this year was to be different: Authorities in New Delhi wanted to assess how fireworks affected toxic levels of air pollution in October.
Despite ban, fireworks light up Diwali
On October 9, India's Supreme Court banned the sale of fireworks in New Delhi in a bid to prevent a repeat of 2016's "airpocalypse" that left the city's 20 million residents gasping for days.The only problem: The court didn't ban the use of fireworks, paving the way for a toxic haze the day after.
Toxic haze: Morning after Diwali
After Diwali celebrations ended, amounts of tiny particulate matter smaller than 2.5 micrometers, which can reach deep into the lungs and enter the bloodstream, soared to alarming levels. In parts of New Delhi, air quality readings hit 941, near the maximum measurement of 999. New Delhi, rated the most polluted city in the world in 2014 by the WHO, struggles every winter with toxic pollution.
'Breathe nitrate and ammonia'
Environmental activists have called on Indian authorities to declare a public emergency due to the hazardous levels of pollutants in the air. Critics accused India's police of failing to adequately enforce the ban on firecracker sales. "Breathe nitrate and ammonia, homegrown, handmade," said environmentalist Vimlendu Jha.
Silver lining?
Despite the harmful levels of pollution hovering over New Delhi after Diwali commemorations, pollution levels were their lowest in three years, according to India's Central Pollution Control Board. Last year, Diwali coincided with crop burning, taking pollution levels to the extreme. "It was going to be hard to beat last year's level in any case," said board scientist Dipankar Saha.