India, March 2 -- Reduction in NO2 pollution was first seen near Wuhan, but eventually spread across the country, according to scientists

Pollution levels in China declined dramatically between January and February 2020, according to latest maps released by United State's National Aeronautics and Space Administration (NASA).

According to the space agency, the decline was partially because of economic slowdown in the east Asian country following a novel coronavirus (COVID-19) outbreak.

The NASA monitoring satellites in the maps showed a significant decrease in nitrogen dioxide (NO2) levels between January 1-20, 2020 (before the quarantine) and February 10-25, 2020 (after the quarantine).

NO2 levels decreased between January 1-20, 2020 ...