Against the backdrop of the COVID-19 pandemic, most countries implemented a partial or full lockdown as a preventive … measure. Although lockdown caused an economic contraction, it unexpectedly improved the environment, especially air pollution …. This paper quantifies the impact of the lockdown on air quality by utilizing the air quality data and the lockdown periods …

While the decrease in air pollutants concentration during the COVID-19 lockdown is well documented, high-resolution and …

econometric models to estimate the effect of Bogotás lockdown on fine particulate pollution, epidemiological models to simulate … lockdown cut fine particulate pollution by more than one-fifth. However, the magnitude of that effect varied considerably over …. Finally, we estimate that in 2020-2021, the lockdown reduced short-term deaths by 31 percent, a benefit valued at $180 million. …