According to the IQAir portal, at 08:50, the concentration of fine PM2.5 particulate matter in Tashkent's air reached 196 µg/m3 – a level considered "harmful".

Lahore (Pakistan) was placed second in the ranking, followed by Delhi (India).

The top ten also included Dhaka (Bangladesh), Yangon (Myanmar), Kathmandu (Nepal), Hanoi (Vietnam), Jakarta (Indonesia), Milan (Italy), and Kolkata (India).

According to the World Health Organization, PM2.5 particulate matter represents the most significant health risk among air pollution indicators.