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After Diwali, Delhi covered in smog blanket

  • Delhi, Diwali, smog, air pollution, dust, fog, hazardous, school, mask, oxygen

    Delhi faces worst smog in 17 years with air quality usually worsening at this time of year, when smoke from firecrackers festival of lights and crops burnt in nearby states envelops the city of 16 million.

    Photo: Sanjay K Sharma

  • Delhi, Diwali, smog, air pollution, dust, fog, hazardous, school, mask, oxygen

    Levels of PM 2.5, tiny particulate matter that reaches deep into the lungs, more than doubled within a few hours to 750 micrograms per cubic meter in worst affected areas.

    It breached the "hazardous" level upper limit of 500, at which it stops measuring levels of PM2.5 and rocketed to 1,126 by late night.

  • Delhi, Diwali, smog, air pollution, dust, fog, hazardous, school, mask, oxygen

    Sustained exposure to that concentration of PM 2.5 is equivalent to smoking 40 cigarettes a day.

  • Delhi, Diwali, smog, air pollution, dust, fog, hazardous, school, mask, oxygen

    The particles are small enough to deeply penetrate the lungs and enter the bloodstream, increasing the risk of stroke and heart failure, and can cause severe respiratory problems including asthma and pneumonia.

  • Delhi, Diwali, smog, air pollution, dust, fog, hazardous, school, mask, oxygen

    People are signing online petitions, seeking help from the government.

    The 15-day odd-even rule helped ease the situation but a permanent solution needs to be found.

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