The Covid-19 lockdown-led reduction in air pollution levels across five Indian cities in India, including Delhi and Mumbai, may have prevented about 630 premature deaths, and saved $690 million in health costs in the country, according to a new study.
Scientists, including those from the University of Surrey in the UK, assessed the levels of harmful fine particulate matter (PM2.5) from vehicles and other sources in five Indian cities -- Delhi, Mumbai, Kolkata, Chennai and Hyderabad -- since the beginning of the lockdown period.
The study, published in the journal Sustainable Cities and Society, compared these lockdown PM2.5 figures from