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Senior Corporate Trainer, Consultant and Educationist

Visualizing the Most Air Polluted Countries: Almost the entire global population breathes air that exceeds the air quality limits set by the World Health Organization (WHO). In the graphic, the world’s most polluted countries are mapped according to IQAir, ranked by their annual average PM2.5 concentration (μg/m³) in 2023. The unit μg/m³ refers to micrograms per cubic meter. What is PM2.5? PM2.5 refers to fine particulate matter, with a diameter of 2.5 micrometers or less, that can travel deep into your lungs and cause health problems. In 2021, the World Health Organization (WHO) updated its air quality guidelines for PM2.5. The recommended maximum annual average level for PM2.5 is now 5 μg/m³, down from the previous target of 10 μg/m³. Common sources of PM2.5 pollution include engine exhaust, power plant combustion, smoke from fires, dust, and dirt. How Does PM2.5 Pollution Affect Humans? This takes 2.2 years off the global average life expectancy, relative to a world that met the WHO guideline. In South Asia specifically, the AQLI believes residents could be losing up to 5 years off their lives. The region has been a global hotspot of air pollution for years, home to 37 of the 40 most polluted cities in the world. https://lnkd.in/ddmnUjwz

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Hanif Ajari

Director Export Network, Inst. Business & CS at Getz Pharma

7mo

"While dhsring the information you provided valuable insights into pressing environmental issues like air pollution and carbon footprints. It's crucial for individuals and governments alike to understand the impact of our travel choices on the environment and take steps towards reducing our carbon emissions. Thank you for sharing this informative content!"

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