Some cities in northwest, northern Indo-Gangetic Plain shielded from long-range aerosol pollution​

Researchers refer to the cities that show relatively lower aerosol levels compared with the surrounding areas as Urban Aerosol Clean Islands

​ Researchers refer to the cities that show relatively lower aerosol levels compared with the surrounding areas as Urban Aerosol Clean Islands Researchers refer to the cities that show relatively lower aerosol levels compared with the surrounding areas as Urban Aerosol Clean Islands