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- W2912374221 abstract "Air pollution is a frequent problem in sport Mega-events (e.g., Word Cup and Olympic Games). Information on air quality before, during and after these Mega-events can offer a meaningful contribution to our knowledge of the environmental impacts associates to major sporting event. In this study, we evaluated ambient air pollution (PM10, SO2, CO, O3, and NOx - NO and NO2) during three periods in the 2016 Summer Olympic Games in Rio de Janeiro, Brazil: (period A) before the games, July 1st -August 4th, n = 35 days; (period B) during the games, August 5th -September 18th, n = 44 days; and (period C) after the games, September 19th - October 31st, n = 43 days. Our results showed that during the Olympic period, PM10, SO2, CO, NO and NO2 were reduced by 17, 26, 13, 49, and 12%, respectively. After the games (comparing the period B and C), these pollutants were reduced by 19, 17, 31, 36, and 25%. In contrast, O3 concentrations increased 26% and 7% during (comparing period A and B) and after (comparing period B and C) the games, respectively. The concentration of most of the pollutants did not exceed the limits of the Brazilian guidelines in the three periods. Our findings show reduction of concentration for some pollutants during and after the games due to the emission reduction control implemented by the local government." @default.
- W2912374221 created "2019-02-21" @default.
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- W2912374221 date "2019-04-01" @default.
- W2912374221 modified "2023-09-26" @default.
- W2912374221 title "Evaluation of the impact of the Rio 2016 Olympic Games on air quality in the city of Rio de Janeiro, Brazil" @default.
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- W2912374221 doi "https://doi.org/10.1016/j.atmosenv.2019.02.007" @default.
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