In Pics | Most polluted cities in the world in 2023

Here we list the top ten most polluted cities in the world (2023), according to Smart Air. Smart Air investigated 2022 air pollution data for 529 major cities from 88 countries around the world to create the 2023 updated list of the 10 most polluted cities in the world. These rankings are based on PM2.5 air pollution data from February 2022 to February 2023.

Rank 1 | Dammam, Saudi Arabia (124.11 µg/m3). Credit: AFP Photo

Rank 2 | Lahore, Pakistan (111.63 µg/m3). Credit: Reuters Photo

Rank 3 | Dhaka, Bangladesh (84.73 µg/m3). Credit: AFP Photo

Rank 4 | Delhi, India (84.39 µg/m3). Credit: AFP Photo

Rank 5 | Muzaffarnagar, India (81.35 µg/m3). Credit: AFP Photo

Rank 6 | Baghdad, Iraq (77.62 µg/m3). Credit: AFP Photo

Rank 7 | Ghaziabad, India (74.72 µg/m3). Credit: Reuters Photo

Rank 8 | Patna, India (67.20 µg/m3). Credit: AFP Photo

Rank 9 | Hapur, India (67.02 µg/m3). Credit: AFP Photo

Rank 10 | Peshawar, Pakistan (66.15 µg/m3). Credit: AFP Photo