In response to the rapid spread of coronavirus disease-2019 (COVID-19) within and across
countries and the need to protect public health, governments worldwide introduced …

This review provides a community's perspective on air quality research focusing mainly on
developments over the past decade. The article provides perspectives on current and future …

We offer an overview of the COVID-19-driven air quality changes across 11 metropolises in
Spain with the focus on lessons learned on how continuing abating pollution. Traffic flow …

We quantify the reductions in primary emissions due to the COVID-19 lockdowns in Europe.
Our estimates are provided in the form of a dataset of reduction factors varying per country …

Global lockdown measures to prevent the spread of the coronavirus disease 2019 (COVID-
19) led to air pollutant emission reductions. While the COVID-19 lockdown impacts on both …

In order to fight the spread of the global COVID-19 pandemic, most of the world's countries
have taken control measures such as lockdowns during a few weeks to a few months. These …

Mobility behavior changes due to the COVID-19 pandemic have opened a window of
opportunity for an accelerated transition towards sustainable mobility. Many European cities …

The ongoing COVID-19 global pandemic is touching every facet of human lives (eg, public
health, education, economy, transportation, and the environment). This novel pandemic and …

Throughout spring and summer 2020, ozone stations in the northern extratropics recorded
unusually low ozone in the free troposphere. From April to August, and from 1 to 8 kilometers …

The aim of this paper is two-fold: to provide guidance on how to best interpret TROPOMI
trace gas retrievals and to highlight how TROPOMI trace gas data can be used to …