Articles | Volume 22, issue 9
https://doi.org/10.5194/acp-22-6151-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-22-6151-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
11 May 2022
Research article |
| 11 May 2022
| 11 May 2022
Tropospheric ozone production and chemical regime analysis during the COVID-19 lockdown over Europe
Clara M. Nussbaumer
CORRESPONDING AUTHOR
Department of Atmospheric Chemistry, Max Planck Institute for Chemistry, 55128 Mainz, Germany
Andrea Pozzer
Department of Atmospheric Chemistry, Max Planck Institute for Chemistry, 55128 Mainz, Germany
Ivan Tadic
Department of Atmospheric Chemistry, Max Planck Institute for Chemistry, 55128 Mainz, Germany
Lenard Röder
Department of Atmospheric Chemistry, Max Planck Institute for Chemistry, 55128 Mainz, Germany
Florian Obersteiner
Institute of Meteorology and Climate Research – Atmospheric Trace Gases and Remote Sensing (IMK-ASF), Karlsruhe Institute of Technology, 76021 Karlsruhe, Germany
Hartwig Harder
Department of Atmospheric Chemistry, Max Planck Institute for Chemistry, 55128 Mainz, Germany
Jos Lelieveld
Department of Atmospheric Chemistry, Max Planck Institute for Chemistry, 55128 Mainz, Germany
Climate and Atmosphere Research Center, The Cyprus Institute, Nicosia, Cyprus
Horst Fischer
Department of Atmospheric Chemistry, Max Planck Institute for Chemistry, 55128 Mainz, Germany
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Cited
16 citations as recorded by crossref.
- Atmospheric Chemistry Insights from the Global COVID-19 Pandemic: A Review C. Heald et al.
- Anomalies of O3, CO, C2H2, H2CO, and C2H6 detected with multiple ground-based Fourier-transform infrared spectrometers and assessed with model simulation in 2020: COVID-19 lockdowns versus natural variability I. Ortega et al.
- Assessment of 16-year tropospheric ozone trends from the IASI Climate Data Record A. Boynard et al.
- Enhanced sulfur in the upper troposphere and lower stratosphere in spring 2020 L. Tomsche et al.
- Impact of Lockdowns on Air Pollution: Case Studies of Two Periods in 2022 in Guangzhou, China X. Zhao et al.
- Changes in gas-to-aerosol-phase partitioning ratio of semi-volatile products affect secondary organic aerosol formation from α-pinene photooxidation S. Liu et al.
- Parametrizing the mixing by clear air turbulence in the chemistry climate model EMAC and its respective radiative impact C. Chau et al.
- Long-term analysis of atmospheric propane over Southern Europe based on observations conducted at the WMO-GAW station of Monte Cimone E. Mancinelli et al.
- What controls ozone sensitivity in the upper tropical troposphere? C. Nussbaumer et al.
- Elucidating the mechanisms of rapid O3 increase in North China Plain during COVID-19 lockdown period R. Li et al.
- An AI-Based Framework for Characterizing the Atmospheric Fate of Air Pollutants Within Diverse Environmental Settings N. Radić et al.
- Regularized principal spline functions to mitigate spatial confounding C. Zaccardi et al.
- What Is Polluting Delhi’s Air? A Review from 1990 to 2022 S. Guttikunda et al.
- Formaldehyde and hydroperoxide distribution around the Arabian Peninsula – evaluation of EMAC model results with ship-based measurements D. Dienhart et al.
- Insights into the long-term (2005–2021) spatiotemporal evolution of summer ozone production sensitivity in the Northern Hemisphere derived with the Ozone Monitoring Instrument (OMI) M. Johnson et al.
- Meteorology-normalized ozone enhancement during the 2022 late-spring COVID-19 lockdown in Beijing Z. Liao et al.
16 citations as recorded by crossref.
- Atmospheric Chemistry Insights from the Global COVID-19 Pandemic: A Review C. Heald et al.
- Anomalies of O3, CO, C2H2, H2CO, and C2H6 detected with multiple ground-based Fourier-transform infrared spectrometers and assessed with model simulation in 2020: COVID-19 lockdowns versus natural variability I. Ortega et al.
- Assessment of 16-year tropospheric ozone trends from the IASI Climate Data Record A. Boynard et al.
- Enhanced sulfur in the upper troposphere and lower stratosphere in spring 2020 L. Tomsche et al.
- Impact of Lockdowns on Air Pollution: Case Studies of Two Periods in 2022 in Guangzhou, China X. Zhao et al.
- Changes in gas-to-aerosol-phase partitioning ratio of semi-volatile products affect secondary organic aerosol formation from α-pinene photooxidation S. Liu et al.
- Parametrizing the mixing by clear air turbulence in the chemistry climate model EMAC and its respective radiative impact C. Chau et al.
- Long-term analysis of atmospheric propane over Southern Europe based on observations conducted at the WMO-GAW station of Monte Cimone E. Mancinelli et al.
- What controls ozone sensitivity in the upper tropical troposphere? C. Nussbaumer et al.
- Elucidating the mechanisms of rapid O3 increase in North China Plain during COVID-19 lockdown period R. Li et al.
- An AI-Based Framework for Characterizing the Atmospheric Fate of Air Pollutants Within Diverse Environmental Settings N. Radić et al.
- Regularized principal spline functions to mitigate spatial confounding C. Zaccardi et al.
- What Is Polluting Delhi’s Air? A Review from 1990 to 2022 S. Guttikunda et al.
- Formaldehyde and hydroperoxide distribution around the Arabian Peninsula – evaluation of EMAC model results with ship-based measurements D. Dienhart et al.
- Insights into the long-term (2005–2021) spatiotemporal evolution of summer ozone production sensitivity in the Northern Hemisphere derived with the Ozone Monitoring Instrument (OMI) M. Johnson et al.
- Meteorology-normalized ozone enhancement during the 2022 late-spring COVID-19 lockdown in Beijing Z. Liao et al.
Saved (final revised paper)
Latest update: 02 May 2026
Short summary
The European COVID-19 lockdowns have significantly reduced the emission of primary pollutants such as NOx, which impacts the tropospheric photochemical processes and the abundance of O3. In this study, we present how the lockdowns have affected tropospheric trace gases and ozone production based on in situ observations and modeling simulations. We additionally show that the chemical regime shifted from a transition point to a NOx limitation in the upper troposphere.
The European COVID-19 lockdowns have significantly reduced the emission of primary pollutants...
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