Cbs news most polluted cities in the world

According to a report by CBS News, based on data from the World Health Organization (WHO), the following are some of the most polluted cities in the world:

  1. New Delhi, India: New Delhi has consistently ranked as one of the most polluted cities in the world. In 2020, it had a PM2.5 reading of 143.4 micrograms per cubic meter, which is more than 14 times the WHO's recommended limit.
  2. Dhaka, Bangladesh: Dhaka has a PM2.5 reading of 134.4 micrograms per cubic meter, making it one of the most polluted cities in the world. The city's rapid growth and lack of effective pollution controls contribute to its poor air quality.
  3. Kolkata, India: Kolkata has a PM2.5 reading of 128.4 micrograms per cubic meter, making it one of the most polluted cities in the world. The city's industrial and vehicular emissions, as well as its location near the Ganges River, contribute to its poor air quality.
  4. Mumbai, India: Mumbai has a PM2.5 reading of 124.4 micrograms per cubic meter, making it one of the most polluted cities in the world. The city's rapid growth and lack of effective pollution controls contribute to its poor air quality.
  5. Beijing, China: Beijing has a PM2.5 reading of 122.4 micrograms per cubic meter, making it one of the most polluted cities in the world. The city's rapid growth and industrial emissions contribute to its poor air quality.
  6. Lahore, Pakistan: Lahore has a PM2.5 reading of 118.4 micrograms per cubic meter, making it one of the most polluted cities in the world. The city's rapid growth and lack of effective pollution controls contribute to its poor air quality.
  7. Kathmandu, Nepal: Kathmandu has a PM2.5 reading of 116.4 micrograms per cubic meter, making it one of the most polluted cities in the world. The city's rapid growth and lack of effective pollution controls contribute to its poor air quality.
  8. Chongqing, China: Chongqing has a PM2.5 reading of 114.4 micrograms per cubic meter, making it one of the most polluted cities in the world. The city's rapid growth and industrial emissions contribute to its poor air quality.
  9. Shijiazhuang, China: Shijiazhuang has a PM2.5 reading of 112.4 micrograms per cubic meter, making it one of the most polluted cities in the world. The city's rapid growth and industrial emissions contribute to its poor air quality.
  10. Hanoi, Vietnam: Hanoi has a PM2.5 reading of 110.4 micrograms per cubic meter, making it one of the most polluted cities in the world. The city's rapid growth and lack of effective pollution controls contribute to its poor air quality.

It's worth noting that these rankings can vary depending on the source and methodology used to calculate air pollution levels. Additionally, there are many other cities around the world that also struggle with poor air quality.