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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.
Discover real-time top 100 most polluted cities worldwide with AQI Ranking 2024. Stay informed on global air quality at a glance.
This list contains the top 500 cities by PM2.5 annual mean concentration measurement as documented by the World Health Organization covering the period from 2010 to 2022. The January 2024 version of the WHO database contains results of ambient (outdoor) air pollution monitoring from almost 5,390 towns and cities in 63 countries.
Scroll down below for the full rundown of the world’s most polluted cities, which countries they’re in, and their annual average PM2.5 levels. Rankings: 25 Most Polluted Cities in the World in 2023 1. Dhaka, Bangladesh (114.5 µg/m3)
Begusarai, a city of half a million people in northern India’s Bihar state, was the world’s most polluted city last year with an average annual PM2.5 concentration of 118.9 — 23 times the WHO...
Check out the real-time air pollution map, for more than 80 countries. Can not find your city on the map? The GAIA air quality monitor uses laser particle sensors to measure in real-time PM2.5 and PM10 particle pollution, which is one of the most harmful air pollutants.
Ghaziabad is the most polluted city in the world with an average air quality index of 110.2, putting it in the “unhealthy” air quality category for 2019. This is, however, an improvement from 2017 and 2018, where the average was 144.6 and 135.2 respectively.
Bakersfield is the most polluted city in the U.S. by year-round air quality, according to the ALA. It is the third city in California’s Central Valley to make the list, joining the Fresno and ...
Out of the world’s 100 most polluted cities, 94 are in India, China, and Pakistan. Every year, a thick smog covers India’s capital New Delhi. Last week, it got so bad for the 20 million...