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Effects of the quarantines and activity restrictions related to the coronavirus disease (COVID-19) on air quality in Latin America's cities

Informes periódicos
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Date
2020-08-06
Author
NU. CEPAL
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Abstract
Air pollution represents a major environmental health hazard. According to the World Health Organization (WHO), it is responsible for 300,000 deaths every year in the Americas, and 9 in every 10 people are breathing polluted air at this very moment. The air pollutants that are most harmful to human and environmental health are coarse particulate matter (PM10) and fine particulate matter (PM2.5), nitrogen dioxide (NO2) and sulfur dioxide (SO2). The concentrations of these pollutants in city air are then determined by the environmental conditions prevailing in each case. As multiple factors are in play, it is impossible to attribute any reduction in concentrations exclusively to the activity restrictions and quarantines imposed to deal with the current COVID-19 pandemic. The measures adopted by the region’s national or local governments to limit the spread of the COVID-19 pandemic include quarantines, lockdown orders and the reduction or cessation of economic activities, which have impacted production levels and human mobility. As there is also anecdotal evidence that air quality has improved, this document presents the results of a statistical investigation into the concentrations of these three key pollutants in selected cities3 of the region that are home to about 14% of Latin America’s urban population: Bogotá, Lima, Mexico City, Monterrey (Mexico), Quito, Santiago and São Paulo (Brazil) to determine whether the measures deployed have in fact contributed to better air quality.
Translation
Efectos de las cuarentenas y restricciones de actividad relacionadas con el COVID-19 sobre la calidad del aire en las ciudades de América Latina
ECLAC Subtopics
COVID-19 ; ENVIRONMENT ; ENVIRONMENTAL STATISTICS ; HEALTH ; CITIES AND HUMAN SETTLEMENTS
United Nations Subtopics
COVID-19 ; VIRUSES ; PANDEMICS ; VIRAL DISEASES ; QUARANTINE ; CITIES ; AIR QUALITY ; AIR POLLUTION ; HEALTH
Country / Region
LATIN AMERICA
URI
https://hdl.handle.net/11362/45885
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