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写真 | 2021年 11月 6日 00:28 JST

Diwali leaves Delhi wheezing in dangerously unhealthy air

New Delhi residents woke up on Friday under a blanket of smog darkening the city, the most dangerous air pollution of the year after Diwali revellers defied - as usual - a fireworks ban during India's annual Hindu festival of lights.   

REUTERS/Anushree Fadnavis

New Delhi residents woke up on Friday under a blanket of smog darkening the city, the most dangerous air pollumore

New Delhi residents woke up on Friday under a blanket of smog darkening the city, the most dangerous air pollution of the year after Diwali revellers defied - as usual - a fireworks ban during India's annual Hindu festival of lights. REUTERS/Anushree Fadnavis
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New Delhi has the worst air quality of all world capitals, but even by its sorry standards Friday's reading - the morning after the end of Diwali - was extra bad, the price for celebrating India's biggest festival in the noisiest and smokiest way.     



REUTERS/Anushree Fadnavis

New Delhi has the worst air quality of all world capitals, but even by its sorry standards Friday's reading - more

New Delhi has the worst air quality of all world capitals, but even by its sorry standards Friday's reading - the morning after the end of Diwali - was extra bad, the price for celebrating India's biggest festival in the noisiest and smokiest way. REUTERS/Anushree Fadnavis
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The Air Quality Index (AQI) surged to 463 on a scale of 500 - the maximum recorded in 2021, indicating "severe" conditions that affect even healthy people let alone those with existing respiratory diseases.  
   REUTERS/Anushree Fadnavis

The Air Quality Index (AQI) surged to 463 on a scale of 500 - the maximum recorded in 2021, indicating "severemore

The Air Quality Index (AQI) surged to 463 on a scale of 500 - the maximum recorded in 2021, indicating "severe" conditions that affect even healthy people let alone those with existing respiratory diseases. REUTERS/Anushree Fadnavis
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The AQI measures the concentration of poisonous particulate matter PM2.5 in a cubic metre of air. In Delhi, a city of nearly 20 million people, the PM2.5 reading on Friday averaged 706 micrograms, whereas the World Health Organization deems anything above an annual average of 5 micrograms as unsafe.   



REUTERS/Adnan Abidi

The AQI measures the concentration of poisonous particulate matter PM2.5 in a cubic metre of air. In Delhi, a more

The AQI measures the concentration of poisonous particulate matter PM2.5 in a cubic metre of air. In Delhi, a city of nearly 20 million people, the PM2.5 reading on Friday averaged 706 micrograms, whereas the World Health Organization deems anything above an annual average of 5 micrograms as unsafe. REUTERS/Adnan Abidi
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On the morning after the close of Diwali, thick smog turned daylight into dusk in and around Delhi, with car and building lights only barely penetrating the murk, and the ubiquitous detritus of firecrackers coating the ground.  

REUTERS/Adnan Abidi

On the morning after the close of Diwali, thick smog turned daylight into dusk in and around Delhi, with car amore

On the morning after the close of Diwali, thick smog turned daylight into dusk in and around Delhi, with car and building lights only barely penetrating the murk, and the ubiquitous detritus of firecrackers coating the ground. REUTERS/Adnan Abidi
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"The firecracker ban didn't seem to be successful in Delhi, which led to hazardous pollution levels adding on top of existing perennial sources," said Sunil Dahiya, analyst at the Centre for Research on Energy and Clean Air (CREA).   



REUTERS/Anushree Fadnavis

"The firecracker ban didn't seem to be successful in Delhi, which led to hazardous pollution levels adding on more

"The firecracker ban didn't seem to be successful in Delhi, which led to hazardous pollution levels adding on top of existing perennial sources," said Sunil Dahiya, analyst at the Centre for Research on Energy and Clean Air (CREA). REUTERS/Anushree Fadnavis
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Every year, either government authorities or India's Supreme Court slap a ban on firecrackers. But the bans only rarely appear to be enforced.    REUTERS/Anushree Fadnavis

Every year, either government authorities or India's Supreme Court slap a ban on firecrackers. But the bans onmore

Every year, either government authorities or India's Supreme Court slap a ban on firecrackers. But the bans only rarely appear to be enforced. REUTERS/Anushree Fadnavis
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Making matters worse, Diwali is held in a period when farmers in New Delhi's neighbouring states of Punjab and Haryana burn the stubble left after harvesting to prepare their fields for the next crop.   
 REUTERS/Adnan Abidi

Making matters worse, Diwali is held in a period when farmers in New Delhi's neighbouring states of Punjab andmore

Making matters worse, Diwali is held in a period when farmers in New Delhi's neighbouring states of Punjab and Haryana burn the stubble left after harvesting to prepare their fields for the next crop. REUTERS/Adnan Abidi
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Delhi environment chief Gopal Rai said authorities planned to install 20 anti-smog guns to spray water into the air to help dilute the smog. But there have been calls for more stringent measures such as a temporary ban on construction activities and shutdowns of high-polluting factories.  



REUTERS/Adnan Abidi

Delhi environment chief Gopal Rai said authorities planned to install 20 anti-smog guns to spray water into thmore

Delhi environment chief Gopal Rai said authorities planned to install 20 anti-smog guns to spray water into the air to help dilute the smog. But there have been calls for more stringent measures such as a temporary ban on construction activities and shutdowns of high-polluting factories. REUTERS/Adnan Abidi
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A rare spell of clear skies in October due to intermittent rains and strong winds treated Delhi residents to their cleanest air in at least four years. read more. But over the winter months pollution levels surge in northern India, as lower temperatures and a drop in wind speed tend to trap pollutants in the air longer.


REUTERS/Anushree Fadnavis

A rare spell of clear skies in October due to intermittent rains and strong winds treated Delhi residents to tmore

A rare spell of clear skies in October due to intermittent rains and strong winds treated Delhi residents to their cleanest air in at least four years. read more. But over the winter months pollution levels surge in northern India, as lower temperatures and a drop in wind speed tend to trap pollutants in the air longer. REUTERS/Anushree Fadnavis
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Indian governments are often accused of not doing enough to curb pollution as they prioritize economic growth to lift living standards in the world's second most populous country.  

REUTERS/Adnan Abidi

Indian governments are often accused of not doing enough to curb pollution as they prioritize economic growth more

Indian governments are often accused of not doing enough to curb pollution as they prioritize economic growth to lift living standards in the world's second most populous country. REUTERS/Adnan Abidi
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Toxic air kills more than a million people annually in India.  


REUTERS/Adnan Abidi

Toxic air kills more than a million people annually in India. REUTERS/Adnan Abidi

Toxic air kills more than a million people annually in India. REUTERS/Adnan Abidi
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