[ad_1] NEW DELHI: Satellite data shows that levels of airborne particulates (aerosols) over northern India have dropped significantly since the Covid-19 blockade began in the country, the US space agency Nasa said Tuesday. . Aerosols are small solid and liquid particles, suspended in the air, that reduce visibility and can …
Read More »Amid the shutdown, aerosol levels at a 20-year low: NASA | India News
