Top 5 Most Polluted Cities in the World

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1. Lahore, Pakistan

Air Quality Index (AQI): 207 (unhealthy) Main pollutants: PM2.5 (particulate matter smaller than 2.5 micrometers), ozone Causes: Vehicle emissions, industrial activity, agricultural burning

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2.  Delhi, India:

Air Quality Index (AQI): 174 (unhealthy) Main pollutants: PM2.5 , ozone Causes: Vehicle emissions, industrial activity, construction dust, coal-fired power plant

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3.  Dhaka, Bangladesh

Air Quality Index (AQI): 205 (unhealthy) Main pollutants: PM2.5 , ozone Causes: Vehicle emissions, industrial activity, brick kilns, open burning of waste

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4.  Kolkata, India

Air Quality Index (AQI): 229 (unhealthy) Main pollutants: PM2.5 , ozone Causes: Vehicle emissions, industrial activity, coal-fired power plants, construction dust

Image : Samir Ali

5.  Mumbai, India

Air Quality Index (AQI): 164 (unhealthy) Main pollutants: PM2.5 , ozone Causes: Vehicle emissions, industrial activity, construction dust, open burning of waste

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Image : Freepik

– Air pollution is a major health risk, linked to respiratory problems, heart disease, cancer, and other health problems. – The World Health Organization (WHO) recommends an annual average PM2.5 level of 5 μg/m³ or less. – Many cities around the world are taking steps to reduce air pollution, such as implementing stricter emission standards, promoting public transportation, and investing in renewable energy.

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