Lockdown: Air pollution over North India plummets to 20-year-low, says NASA
India TV NewsThe lockdown due to the coronavirus pandemic has led to cleaner air over North India. According to NASA, the air pollution over northern India has plummeted to a 20-year-low for this time of the year, as people remain indoors and vehicles stay off roads during the lockdown period. The US space agency's satellite sensors observed aerosol levels at a 20-year low post the countrywide lockdown, implemented to slow the spread of the novel coronavirus. "We knew we would see changes in atmospheric composition in many places during the lockdown," said Pawan Gupta, a Universities Space Research Association scientist at NASA's Marshall Space Flight Center. "This a model scientific experiment," Robert Levy, program leader for NASA's MODIS aerosol products, said about the lockdown and its effects on pollution.
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