Quantifying COVID-19’s silver lining: Avoided deaths from air quality improvements in Bogotá

Blackman, Allen; Bonilla, Jorge; Villalobos, L.

doi:10.1016/j.jeem.2022.102749

Cited by 8 publications

(5 citation statements)

References 37 publications

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“…It is noteworthy that these patterns are consistent with that of speeding violations shown in Figure 1a. These findings add to the literature documenting the silver linings of the pandemic, such as reduced air pollution (Blackman et al., 2022; Cole et al., 2020).…”

Section: Resultssupporting

confidence: 74%

Public health crisis and risky road behaviors

Shr

Yang

2023

Health Economics

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This study investigates how exposure to riskier environments influences risky road behaviors, using the COVID‐19 pandemic as a natural experiment. Utilizing administrative individual traffic violation records from Taipei, where neither mandatory lockdown nor mobility restrictions were imposed, we find that pandemic‐induced risk decreased speeding violations and that the effect was transitory. However, no significant changes were observed concerning violations with a minimal risk of casualties, such as illegal parking. These findings suggest that experiencing a higher level of life‐threatening risk discourages risky behaviors concerning human life but has little spillover effect on those concerning only financial costs.

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Section: Resultssupporting

confidence: 74%

Public health crisis and risky road behaviors

Shr

Yang

2023

Health Economics

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“…Improvements in the air quality in many cities around the world have been reported (Table 1). [25][26][27][28][29][30][31][32] O 3 is a secondary pollutant formed through photochemical reactions between volatile organic compounds (VOCs) and nitrogen oxides (NO x ) in the presence of high temperatures and sunlight. 33,34 Several factors may have contributed to the counterintuitive trend of increased O 3 levels.…”

Section: Spatiotemporal Variation Of Air Quality In Shandong Provincementioning

confidence: 99%

Spatial and temporal differentiation of air quality and its influence factors in 16 cities in Shandong Province from 2019 to 2020

Wan,

Yang,

Wang

et al. 2024

RSC Sustain.

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“…During the E2.3 flexible isolation scenario, a decrease in the PM concentrations was also observed, although this decrease was smaller compared to the E2.1 scenario (PM 10 = 6.92%; PM 2.5 = 5.79%). This lower reduction in the PM concentrations was possibly associated with the controlled reactivation of the economic sectors of manufacturing, construction, restaurants, and educational centers, due to flexible isolation (Table 2) [59].…”

Section: Pm Concentrationsmentioning

confidence: 99%

ARIMA Analysis of PM Concentrations during the COVID-19 Isolation in a High-Altitude Latin American Megacity

Hernández-Medina,

Zafra-Mejía,

Rondón-Quintana

2024

Atmosphere

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The COVID-19 pandemic precipitated a unique period of social isolation, presenting an unprecedented opportunity to scrutinize the influence of human activities on urban air quality. This study employs ARIMA models to explore the impact of COVID-19 isolation measures on the PM10 and PM2.5 concentrations in a high-altitude Latin American megacity (Bogota, Colombia). Three isolation scenarios were examined: strict (5 months), sectorized (1 months), and flexible (2 months). Our findings indicate that strict isolation measures exert a more pronounced effect on the short-term simulated concentrations of PM10 and PM2.5 (PM10: −47.3%; PM2.5: −54%) compared to the long-term effects (PM10: −29.4%; PM2.5: −28.3%). The ARIMA models suggest that strict isolation measures tend to diminish the persistence of the PM10 and PM2.5 concentrations over time, both in the short and long term. In the short term, strict isolation measures appear to augment the variation in the PM10 and PM2.5 concentrations, with a more substantial increase observed for PM2.5. Conversely, in the long term, these measures seem to reduce the variations in the PM concentrations, indicating a more stable behavior that is less susceptible to abrupt peaks. The differences in the reduction in the PM10 and PM2.5 concentrations between the strict and flexible isolation scenarios were 23.8% and 12.8%, respectively. This research provides valuable insights into the potential for strategic isolation measures to improve the air quality in urban environments.

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Quantifying COVID-19’s silver lining: Avoided deaths from air quality improvements in Bogotá

Cited by 8 publications

References 37 publications

Public health crisis and risky road behaviors

Public health crisis and risky road behaviors

Spatial and temporal differentiation of air quality and its influence factors in 16 cities in Shandong Province from 2019 to 2020

ARIMA Analysis of PM Concentrations during the COVID-19 Isolation in a High-Altitude Latin American Megacity

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