Some cities in the northwestern, northern Indo-Gangetic Plain shielded from long-range aerosol pollution

Some cities in the northwestern, northern Indo-Gangetic Plain shielded from long-range aerosol pollution

Aerosol coming from outside was not adding to the pollution already seen in the cities that are referred to as urban aerosol clean islands. Instead, these cities in northwest and in the northern Indo-Gangetic Plain region were stopping or diverting the incoming aerosol and moving it around the city