Because of the outbreak of the coronavirus (COVID-19), many countries around the world were put into lockdown. In February, average levels of PM2.5 pollution in the Chinese city of Wuhan were 35.1 micrograms per cubic meter. This was a reduction of approximately 44 percent when compared to the same period in 2019.
For further information about the coronavirus (COVID-19) pandemic, please visit our dedicated Fact and Figures page.
PM2.5 pollutant levels in select cities during COVID-19 lockdowns in 2020*
(in micrograms per cubic meter**)
Characteristic
PM2.5 pollution in micrograms per cubic meter (µg/m3)
*Lockdown dates:
Mar 23 to Apr 13 in Delhi, London, Los Angeles, Madrid, Mumbai, New York City, Sao Paulo
Mar 9 to Mar 30 in Rome
Feb 26 to Mar 18 in Seoul
3 Feb to Feb 24 in Wuhan
**PM2.5 = Particulate matter with a diameter of 2.5 micrometers or less
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IQAir. (April 21, 2020). PM2.5 pollutant levels in select cities during COVID-19 lockdowns in 2020* (in micrograms per cubic meter**) [Graph]. In Statista. Retrieved November 12, 2024, from https://www.statista.com/statistics/1119805/pm25-levels-in-select-cities-worldwide-during-covid-19-lockdown/
IQAir. "PM2.5 pollutant levels in select cities during COVID-19 lockdowns in 2020* (in micrograms per cubic meter**)." Chart. April 21, 2020. Statista. Accessed November 12, 2024. https://www.statista.com/statistics/1119805/pm25-levels-in-select-cities-worldwide-during-covid-19-lockdown/
IQAir. (2020). PM2.5 pollutant levels in select cities during COVID-19 lockdowns in 2020* (in micrograms per cubic meter**). Statista. Statista Inc.. Accessed: November 12, 2024. https://www.statista.com/statistics/1119805/pm25-levels-in-select-cities-worldwide-during-covid-19-lockdown/
IQAir. "Pm2.5 Pollutant Levels in Select Cities during Covid-19 Lockdowns in 2020* (in Micrograms per Cubic Meter**)." Statista, Statista Inc., 21 Apr 2020, https://www.statista.com/statistics/1119805/pm25-levels-in-select-cities-worldwide-during-covid-19-lockdown/
IQAir, PM2.5 pollutant levels in select cities during COVID-19 lockdowns in 2020* (in micrograms per cubic meter**) Statista, https://www.statista.com/statistics/1119805/pm25-levels-in-select-cities-worldwide-during-covid-19-lockdown/ (last visited November 12, 2024)
PM2.5 pollutant levels in select cities during COVID-19 lockdowns in 2020* (in micrograms per cubic meter**) [Graph], IQAir, April 21, 2020. [Online]. Available: https://www.statista.com/statistics/1119805/pm25-levels-in-select-cities-worldwide-during-covid-19-lockdown/
