The Swiss company IQAir, which monitors air quality, has published its annual report on global air quality.
According to data obtained from 80,000 monitoring points, the city with the most polluted air in the world is Birnihat, India. In this small industrial town in northeastern India, air pollution levels are 128.2 units, which is more than 10 times the safe limit.
The situation is only slightly better in Delhi, India's second-largest city (after Mumbai). There, the air pollution index is 108.3 units, placing it second on the list of the world's most polluted cities.
In general, India has a large number of cities with terrible air quality. In the IQAir ranking of the 50 cities in the world with the most polluted air, 35 are located in India. 9 of the 50 most polluted cities are located in Pakistan, 2 each in Bangladesh and Kazakhstan, and 1 each in China and the Republic of Chad.
As can be seen, most of the cities with the most polluted air are located in Asia. This is caused by the industrial boom combined with the low level of development of air purification systems and the lack of environmental control.
For the cleanest air, you will have to go to Australia, New Zealand, or Greenland.
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