Delhi was ranked as the world's most polluted major city on the eve of Diwali. Delhi's air pollution is expected to get worse in the coming days. DW has more.
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Delhi was ranked as the world's most polluted major city on the eve of Diwali. Delhi's air pollution is expected to get worse in the coming days. DW has more.

Delhi was ranked as the world's most polluted major city on the eve of Diwali. Delhi's air pollution is expected to get worse in the coming days. DW has more.