New Delhi starts limiting cars for 2 weeks to clear air

The Indian capital on Friday kicked off a sweeping plan to reduce its record-high air pollution by limiting the numbers of cars on the streets for two weeks. On Friday morning, the average PM2.5 levels for New Delhi were over 297. That is a relatively low number for New Delhi in winter, but is still about 15 times higher than the WHO standard of 20. These inhalable particles are smaller than 2.5 micrometers, small enough to penetrate deep into lungs and cause maximum damage.
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