The majority of Russian cities, or 39 percent, had an atmospheric pollution index (API) of 7 to 13 points. In total, the share of cities exposed to high and very high air pollution, which were assigned an API level above seven points or less, was measured at 68 percent.
Distribution of cities in Russia in 2022, by atmospheric pollution index
(API)
The atmospheric pollution index (API), used in Central Asian countries, was introduced in the USSR in 1991. It calculates "for the five substances found in the highest
concentrations in relation to their degree of hazardousness. Air pollution is deemed to be very
high, if the aggregate API exceeds 14; high, if 14 > API >7; relatively high, if 7 > API > 5;
low, if API is < 5."
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Ministry of Natural Resources and Environment of the Russian Federation. (December 6, 2023). Distribution of cities in Russia in 2022, by atmospheric pollution index (API) [Graph]. In Statista. Retrieved December 21, 2024, from https://www.statista.com/statistics/1049317/russia-share-of-cities-by-air-pollution-level/
Ministry of Natural Resources and Environment of the Russian Federation. "Distribution of cities in Russia in 2022, by atmospheric pollution index (API)." Chart. December 6, 2023. Statista. Accessed December 21, 2024. https://www.statista.com/statistics/1049317/russia-share-of-cities-by-air-pollution-level/
Ministry of Natural Resources and Environment of the Russian Federation. (2023). Distribution of cities in Russia in 2022, by atmospheric pollution index (API). Statista. Statista Inc.. Accessed: December 21, 2024. https://www.statista.com/statistics/1049317/russia-share-of-cities-by-air-pollution-level/
Ministry of Natural Resources and Environment of the Russian Federation. "Distribution of Cities in Russia in 2022, by Atmospheric Pollution Index (Api)." Statista, Statista Inc., 6 Dec 2023, https://www.statista.com/statistics/1049317/russia-share-of-cities-by-air-pollution-level/
Ministry of Natural Resources and Environment of the Russian Federation, Distribution of cities in Russia in 2022, by atmospheric pollution index (API) Statista, https://www.statista.com/statistics/1049317/russia-share-of-cities-by-air-pollution-level/ (last visited December 21, 2024)
Distribution of cities in Russia in 2022, by atmospheric pollution index (API) [Graph], Ministry of Natural Resources and Environment of the Russian Federation, December 6, 2023. [Online]. Available: https://www.statista.com/statistics/1049317/russia-share-of-cities-by-air-pollution-level/
