A bittersweet silver lining to the COVID-19 virus is how clean the air in some of the world’s most polluted cities has become.
New Delhi is one of many megacities around the world reporting much fresher air for the first time in years since the virus forced people inside two weeks ago.
Members of a Delhi Whatsapp group exchanged screenshots of the daily air quality index last week, not believing their eyes when they saw that a green banner had replaced the familiar ominous red banner, indicating the conditions were “good.”
“It’s positively alpine,” one person wrote, according to the Guardian.
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