What city was named the most polluted in the world for 2022?
A. Peshawar
B. Lahore
C. Mumbai
D. Beijing
Lahore – the most polluted in the world for 2022
| Rank | City | 2022 |
|---|---|---|
| 1 | Lahore, Pakistan | 97.4 |
| 2 | Hotan, China | 94.3 |
| 3 | Bhiwadi, India | 92.7 |
| 4 | Delhi (NCT), India | 92.6 |
The World Air Quality report reveals that Lahore was named the most polluted city in the world for 2022. The factors contributing to this alarming pollution include a population of 15 million people, 6 million vehicles emitting foul air, and poorly regulated industries that use tires and wood as fuel. Surprisingly, Peshawar ranked as the fifth most polluted city globally, despite having a smaller population (4 million) and fewer vehicles (around 1 million). Alarming statistics from the Air Quality Life Index show that if the World Health Organization’s air quality guidelines were met, the life expectancy of citizens in Lahore and Peshawar would increase by six to eight years. Research also indicates that air pollution disproportionately affects children, the elderly, and individuals with compromised immunity. A study in low-income areas of Lahore found that public awareness about air pollution influences behavior, with people more likely to use masks or stay indoors during high pollution periods. In Peshawar, nearly 60% of air pollution results from transport-related activities, followed by dust, industry, and household wood burning. In Lahore, almost 80% of air pollution stems from transport vehicles, with the remainder attributed to industry and agriculture. Curiously, the government’s focus on reducing air pollution is primarily on agriculture and industry rather than the main contributor, transport. Collaboration is crucial, with initiatives like the Peshawar Clean Air Alliance working with the Environmental Protection Agency, the Bank of Khyber, and North Western Hospital to raise awareness and conduct research. In the short term, the government should install citywide air quality monitors and provide Euro-IV or V-compliant fuel during the smog season. Enforcing diesel-free days for public transport and promoting carpooling are also recommended. Additionally, the government should implement odd and even number vehicle days to reduce traffic. A massive awareness campaign is needed to educate the public about air quality and encourage behavioral changes. In the long term, a shift to cleaner fuel, improving public transport connectivity, discouraging diesel-based public transport, strengthening emissions testing, and launching a large-scale afforestation campaign are crucial to address air pollution comprehensively.
Lahore in Pakistan jumped more than 10 places to become the city with the worst air in the world in 2022, according to an annual global survey by a Swiss maker of air purifiers. The report published by IQAir also said that Chad in central Africa had replaced Bangladesh as the country with the most polluted air last year. IQAir measures air quality levels based on the concentration of lung-damaging airborne particles known as PM2.5. Its annual survey is widely cited by researchers and government organisations. Lahore’s air quality worsened to 97.4 micrograms of PM2.5 particles per cubic meter from 86.5 in 2021, making it the most polluted city globally. Hotan, the only Chinese city in the top 20, followed Lahore with PM2.5 levels of 94.3, an improvement from 101.5 in 2021. The next two cities in the rankings were Indian: Bhiwadi, on Delhi’s outskirts had pollution levels at 92.7, and Delhi followed close behind at 92.6.
The World Health Organization (WHO) recommends a maximum PM2.5 concentration of 5 micrograms per cubic meter.
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