Levels of PM 2.5 particulates hit 20 times safe levels as agricultural fires add to city’s air pollution crisis
Authorities in Delhi have announced that schools are to close for a week as the Indian capital’s pollution control body warned of a looming health emergency due to smog.
Delhi is ranked one of the world’s most-polluted cities, with a hazardous mix of factory and vehicle emissions and smoke from agricultural fires turning its air a toxic grey every winter.
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