Effects of COVID-19 pandemic control measures on air pollution in Lima metropolitan area, Peru in South America.

ABSTRACT: The sanitary measures implemented to control and prevent an increase in infections due to the COVID-19 pandemic have produced an improvement in the air quality of many urban areas around the world. We assessed air quality during the COVID-19 pandemic for particulate matter (PM_2.5 and PM₁₀), NO₂ and O₃ in in metropolitan area of Lima, Peru between pre-lockdown period (February 1 and March 15 of 2020), historical period (March 16 to April 30 2017-2019) and lockdown period (March 16 to April 30, 2020). The complete national lockdown that was implemented in Peru produced statistically significant reductions in the in-air pollutant (PM₁₀ (-40% and -58%), PM_2.5 (-31% and -43%) and NO₂ (-46% and -48%)), as recorded by th

SUBMITTER: Rojas JP 

PROVIDER: S-EPMC7859720 | biostudies-literature | 2021

REPOSITORIES: biostudies-literature