Breathing the air in India is the same as smoking 50 cigarettes a day

IN 2014, the Indian capital of New Delhi was ranked the most polluted city in the world by World Health Organisation (WHO). Two years later, the city recorded its highest pollution level in six years.

Although WHO’s latest report indicates that New Delhi is no longer the most polluted city in the world, India has other things to worry about. But the country now has 14 out of the 15 most polluted cities in the world in terms of PM 2.5 concentrations.

PM2.5 refers to atmospheric particulate matter (PM) that have a diameter of fewer than 2.5 micrometers, which is about 3 percent the diameter of a human hair.

SEE ALSO: India home to 14 of world’s 20 most polluted cities

Particles in this category are so small that they can only be detected with an electron microscope.

Because these particles are so small and light, they tend to stay longer in the air than heavier particles. This increases the chances of humans and animals inhaling them. They are…

Original published: 2018-05-14 08:00:45 Read the full Bangkok News here

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