Keep track of the most polluted cities in the world with our air quality index (AQI) ranking.

Find out the most polluted cities in the world in 2023. Check out which city in the world had the highest level of air pollution PM2.5. Download the IQAir AirVisual world air quality report.

Keep track of the most polluted cities in the world with our air quality index (AQI) ranking.

Keep track of the most polluted cities in the world with our air quality index (AQI) ranking.

2024年3月19日 · The top five most polluted countries in 2023 were: Bangladesh (79.9 µg/m 3) more than 15 times higher than the WHO PM2.5 annual guideline; Pakistan (73.7 µg/m 3) …

Compare real-time worldwide air quality levels with AirVisual's interactive air quality and pollution map. Learn from PM2.5 trends and our ranking of most polluted cities in the world.

Keep track of the most polluted cities in the world with our air quality index (AQI) ranking.

Find out the most polluted countries in the world in 2023. Check out which country in the world had the highest level of air pollution PM2.5. Download the IQAir AirVisual world air quality report.

• The region of Central & South Asia was home to the top ten most polluted cities in the world. • Begusarai, India was the most polluted metropolitan area of 2023. India was home to the four …

2024年6月24日 · In 2023, the city’s average annual PM2.5 concentration was 102.1 µg/m3, a significant increase from the 2022 average of 93 µg/m³. Delhi was the fourth most polluted …