India recently became the world’s largest emitter of sulfur dioxide (SO2). The highest SO2 levels are over eastern India and primarily associated with electricity generation. Other sources in India include the ceramicsindustry.

On March 19, California was one of the first states to set mandatory stay-at-home restrictions in an attempt to slow the spread of COVID-19. Arizona and Nevada followed suit around April 1.

On March 24, 2020, Prime Minister Modi ordered a nationwide stay-at-home order for India’s 1.3 billion citizens in an attempt to slow the spread of COVID-19.

Over the past several weeks, the Southeast U.S. has seen significant reductions in air pollution over many of its major metropolitan areas, such as Atlanta and Charlotte. Similar reductions in air pollution have been observed in the Northeast U.S., Florida, and across the globe.

Figure caption: Over the past several weeks, Florida has seen significant reductions in air pollution over many of its major metropolitan areas, such as Miami and Orlando. Similar reductions in air pollution have been observed across the globe.