By Wednesday evening, the air quality in Tashkent had deteriorated even further. In the IQAir ranking, the Uzbek capital came in second with an air quality index of 223, second only to Delhi (273) and ahead of Dhaka (220).
The air in the city is now estimated as “very harmful” (in the morning it was “harmful”): the concentration of PM2.5 (suspended particulate matter ranging in size from 0.001 to 2.5 micrometers) reached 173 μg/m3. This is 34.6 times higher than the average annual air quality recommended by the World Health Organization (daily recommendation - 15 µg/m3, annual recommendation - 5 µg/m3).
In the morning (at 8:00) the PM2.5 indicator was 67.5 µg/m3, Tashkent was in 17th place in the world in the IQAir ranking.
Data is supplied from several automatic air monitoring stations in Uzhydromet, the US Embassy (both in the Yunusabad district), in the area of Peoples' Friendship Square (Chilanzar district) and others.
The same data is displayed on the website for monitoring environmental pollution in Uzbekistan.