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Toxic smog engulfs northern India, Pakistan


Pakistan’s Lahore remained the world’s most polluted city, while visibility in parts of northern India fell to zero. Seasonal crop burning, low winds, and dropping temperatures contribute to toxic smog in these regions.




Source

.. . . . . . . . . . . . . . . . . . . . . . . . . %%%. . . * . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ - - - - - - - - - - - - - - - - - - - - . . . . .