Entradas de] Birgit Fullerton

Time series comparison of pre- and post-lockdown for sample cities show that the lockdown impact on NO2 concentrations varies

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Cities worldwide have been imposing lockdowns due to coronavirus, leading to traffic reductions and related to that, less NO2 pollution. The strength of the effect is not the same everywhere, being dependent on a number of variables, such as pollution levels and amount of traffic before the lockdown at the particular location, fleet composition, weather conditions and topography and urban architecture.

NO2 concentrations during the lockdown in Munich

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I have recently heard people uttering disappointment regarding the rather small effect they have observed at official measurement stations in Munich during the time of the lockdown due to the coronavirus. Looking at the raw hourly measurement traces at different locations in and around Munich, we can see a very clear drop during the initial phase of the lockdown, with concentrations coming up again after that. So we decided to take a deeper look. We considered impacts from weather conditions, season-specific influences as well as mobility behaviour.

Do Air Pollution Levels Influence COVID-19 Mortality Risk?

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While the world has focused its full attention on the current coronavirus outbreak, other issues we were concerned about regarding our health might currently seem almost irrelevant to many of us. However, there is one factor that shouldn’t be ignored – potentially not even when looking at survival rates of COVID-19: air pollution.