Lahore, Pakistan the city with the worst air pollution in the world – Who breathes the cleanest air
Lahore in Pakistan became the world’s worst air-polluted city in 2022 and Chad the most “polluted” country, according to the annual global ranking by Swiss air quality technology company IQAir, which specializes in protection against air pollutants .
In fact, Chad in central Africa replaced Bangladesh last year as the country with the most air pollution.
The company measures air quality levels based on the concentration of lung-damaging particulate matter known as PM2.5 (those smaller than 2.5 micrometers in diameter). Its annual report is widely cited by researchers and government organizations.
What did the measurements show?
The World Health Organization (WHO) recommends a maximum concentration of 5 micrograms of PM2.5 per cubic meter as a safety limit. Based on this threshold, cities and countries were measured and evaluated.
The most “polluted” cities
– Air quality in Lahore worsened to 97.4 micrograms of PM2.5 per cubic meter, from 86.5 in 2021, making it the most polluted city in the world.
– The city Hotan – the only Chinese city in the top 20, followed by Lahore with 94.3 micrograms of PM2.5 per cubic meter, an improvement from 2021’s 101.5.
– The next two cities in the ranking are Indian: the Bigwadion the outskirts of New Delhi, with pollution levels of 92.7 and the Delhi immediately after with 92.6.
The most “contaminated” countries
While Chad has an average of 89.7, the Iraq – which is the second most polluted country – has 80.1.
The Pakistanhome to two of the five cities with the most polluted air for 2022, is the third country in this global ranking with 70.9, followed by Bahrain with 66.6.
Its air quality Bangladesh improved from 2021, when it was the country with the worst air pollution. In this latest report it is in fifth place with PM2.5 levels at 65.8 out of 76.9.
THE Indiawhich has some of the world’s worst air-polluted cities, ranks eighth in the latest report with PM2.5 levels at 53.3.
According to the report, India and Pakistan have the worst air quality in the Central and South Asian region, where nearly 60% of the population lives in areas with concentrations of PM2.5 at least seven times higher than recommended levels by WHERE.
And the lucky ones…
The island Guam in the Pacific Ocean has the cleanest air in the world with a PM2.5 concentration of 1.3, while the Canberra, Australia the cleanest for the capital with 2.8.
Source: Skai
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