• Mon. Dec 23rd, 2024

    rankling

    • Home
    • Delhi tops list of world’s most polluted cities, Kolkata close 2nd

    Delhi tops list of world’s most polluted cities, Kolkata close 2nd

    Delhi and Kolkata are the two most polluted cities in the world in terms of average annual population-weighted PM 2.5 exposure, according to a new report, Air Pollution and Health…