Number of high air pollution cases Russia 2021

The number of cases of high and extremely high air pollution in Russia reached 406 in 2021, increasing by 75 from the previous year. That was the highest figure recorded over the period under consideration.

Number of cases of high and extremely high air pollution in Russia from 2005 to 2021

Characteristic	Number of cases
2021	406
2020	331
2019	64
2018	90
2017	47
2016	63
2015	24
2014	28
2013	44
2012	37
2011	63
2010	126
2009	68
2008	61
2007	102
2006	77
2005	95

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Release date

February 2022

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Region

Russia

Survey time period

2005 to 2021

Supplementary notes

The source stated that high pollution refers to the content of one or more substances in the atmospheric air that exceeds the maximum permissible concentration by 10 or more times.

Extremely high pollution exceeds the maximum by 20-29 times when this level is maintained for more than two days, by 30-49 times when this level is maintained for eight hours, or by >50 when this level is fixed.
The pollution level >50 is accompanied by visual and organoleptic signs, including the appearance of a persistent smell that is not characteristic of a particular area or season, the fall of tinted rains and other atmospheric precipitation.

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