IQ Air Releases Report on Global Air Pollution | Daily Current Affairs 2021
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IQ Air Releases Report on Global Air Pollution

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A report on Global air pollution was recently released from IQ Air.

IQ Air is a Swiss air quality technology company specialising in protection against airborne pollutants, and developing air quality monitoring and air cleaning products.

Main Points:

According to a report from IQ Air:

  • Delhi remained the most polluted capital city in the world. However, India, on the whole, has improved its average annual PM2.5 (particulate matter) levels in 2020 than in 2019.
  • India is the third most polluted country in 2020, unlike in 2019, when its air was the fifth most noxious.
  • Pakistan and Bangladesh were the countries in 2020 with worse average PM2.5 levels than India.
  • China ranked 11th in the latest report, a deterioration from the 14th in the previous edition of the report.
  • When ranked by cities, Hotan in China was the most polluted, with an average concentration of 110.2 μg/m³, followed by Ghaziabad in Uttar Pradesh at 106. Of the 15 most polluted cities, 13 were in India.
  • In the 2020 report, 106 countries were evaluated. The pollution levels are weighted averages, meaning that the population of a country influences the pollution values reported.
  • However, of the 106 monitored countries, only 24 met the World Health Organization annual guidelines for PM 2.5.
  • In 2020, 84% of all monitored countries observed air quality improvements.
  • Other improvements in major cities over 2019 included a 11% drop in Beijing, a 13% drop in Chicago, a 17% drop in Paris and a 16% drop in London and Seoul.

Note: Air pollution constitutes the world’s biggest environmental health hazard, contributing to as many as 7 million premature deaths globally per year (more than three times higher than deaths associated with COVID-19).

Source: The Hindu

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