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10 Countries with the World’s Dirtiest Air in 2019

June 27, 2020 by Alan Wang Leave a Comment

According to the latest World Air Quality Report released by IQAir AirVisual, the most polluted country in 2019 was Bangladesh, with average annual PM 2.5 concentration of 83.3 μg/m³, followed by Pakistan, Mongolia, and Afghanistan. Of the 10 countries with the world’s dirties air in 2019 (Figure 1), eight are Asian countries, and the remaining two are in the Middle East. China ranked 11th on the list. 

(Figure 1: 10 countries with the world’s dirtiest air in 2019. Data source: IQAIR)

In 2017, Business Insider cited the IEA and WHO data and reported that the worst country for air pollution in 2016 was Saudi Arabia, followed by Qatar, Egypt and Bangladesh. Of the 10 worst countries for air pollution in 2016 (Figure 2), five countries are in the Middle East, and two in Asian. Compared with the 2016 data, air quality had been improved significantly in non-Asian countries on the list in 2019 (Figure 3).

(Figure 2: 10 nations with the highest air pollution in 2016. Credit: Business Insider)
(Figure 3: Average annual PM2.5 concentration changes in 10 nations with the highest air pollution; data were not available in 2019 for Qatar and Cameroon)

The 2019 World Air Quality Report also revealed that Delhi, the capital city of India, was the most polluted capital city in the world, with average annual PM 2.5 concentration of 98.6 μg/m³. Of the 10 capital cities with most polluted air in 2019, nine cities are in Asia (Figure 4). Beijing, the capital city of China, ranked 9th on the list. The report further indicated that 14 of the world’s 20 most polluted cities are in India.

(Figure 4: 10 capital cities with most polluted air in 2019. Data source: IQAIR)

Relevant Posts:

Air Pollution in Top 20 Most Populous Countries in 2019 

Air Pollution in G20 Countries in 2019 

 

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Filed Under: Air Pollution Tagged With: Afghanistan, air pollution, Asia, Bahrain, Bangladesh, Cameroon, Egypt, India, Indonesia, Iraq, Kuwait, Mongolia, Nepal, Pakistan, Qatar, Saudi Arabia, the Middle East, United Arab Emirates, Uzbekistan

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