Klimach, T.; Helleis, F.; McLeod, R. S.; Hopfe, C. J.; Pöschl, U.: The Max Planck Institute for Chemistry mechanical extract ventilation (MPIC-MEV) system against aerosol transmission of COVID-19. (2021)

Akritidis, D.; Pozzer, A.; Flemming, J.; Inness, A.; Nédélec, P.; Zanis, P.: A process-oriented evaluation of CAMS reanalysis ozone during tropopause folds over Europe for the period 2003–2018. (2021)

Nussbaumer, C. M.; Pozzer, A.; Tadic, I.; Röder, L.; Obersteiner, F.; Harder, H.; Lelieveld, J.; Fischer, H.: Tropospheric ozone production and chemical regime analysis during the COVID-19 lockdown over Europe. (2021)

Borger, C.; Beirle, S.; Wagner, T.: A 16-year global climate data record of total column water vapour generated from OMI observations in the visible blue spectral range. (2021)

Reifenberg, S. F.; Martin, A.; Kohl, M.; Hamryszczak, Z.; Tadic, I.; Röder, L.; Crowley, D. J.; Fischer, H.; Kaiser, K.; Schneider, J. et al.; Dörich, R.; Crowley, J. N.; Tomsche, L.; Marsing, A.; Voigt, C.; Zahn, A.; Pöhlker, C.; Holanda, B.; Krüger, O. O.; Pöschl, U.; Pöhlker, M.; Jöckel, P.; Dorf, M.; Schumann, U.; Williams, J.; Curtius, J.; Harder, H.; Schlager, H.; Lelieveld, J.; Pozzer, A.: Impact of reduced emissions on direct and indirect aerosol radiative forcing during COVID–19 lockdown in Europe. (2021)

Su, H.; Cheng, Y.; Pöschl, U.: Synergetic measures needed to control infection waves and contain SARS-CoV-2 transmission. (2021)

Yang, X.; Wang, Q.; Ma, N.; Hu, W.; Gao, Y.; Huang, Z.; Zheng, J.; Yuan, B.; Yang, N.; Tao, J. et al.; Hong, J.; Cheng, Y.; Su, H.: The impact of chlorine chemistry combined with heterogeneous N₂O₅ reactions on air quality in China. (2021)

Kuhlmann, G.; Chan, K. L.; Donner, S.; Zhu, Y.; Schwaerzel, M.; Dörner, S.; Chen, J.; Hueni, A.; Nguyen, D. H.; Damm, A. et al.; Schütt, A.; Dietrich, F.; Brunner, D.; Liu, C.; Buchmann, B.; Wagner, T.; Wenig, M.: Mapping the spatial distribution of NO₂ with in situ and remote sensing instruments during the Munich NO₂ imaging campaign. (2021)

Patel, T.; Drozdov, A.; Minkov, V. S.; Eremets, M. I.; Nicol, E. J.; Carbotte, J. P.; Timusk, T.; Tsen, A. W.: Infrared imaging of samples in ultra high pressure diamond anvil cells. (2021)

Chen, Y.-W.; Chen, Y.-C.; Chou, C. C.-K.; Hung, H.-M.; Chang, S.-Y.; Eirenschmalz, L.; Lichtenstern, M.; Ziereis, H.; Schlager, H.; Stratmann, G. et al.; Kaiser, K.; Schneider, J.; Borrmann, S.; Obersteiner, F.; Förster, E.; Zahn, A.; Chen, W.-N.; Lin, P.-H.; Chang, S.-C.; Hernández, M. D. A.; Wang, P.-K.; Burrows, J. P.: Contribution of the gas-phase reaction between hydroxyl radical and sulfur dioxide to the sulfate aerosol over West Pacific. (2021)

Andreae, M. O.; Andreae, T. W.; Ditas, F.: Frequent new particle formation at remote sites in the temperate/boreal forest of North America. (2021)

Kuhn, L.; Kuhn, J.; Wagner, T.; Platt, U.: The NO₂ camera based on Gas Correlation Spectroscopy. (2021)

Pinardi, G.; Roozendael, M. V.; Hendrick, F.; Richter, A.; Valks, P.; Alwarda, R.; Bognar, K.; Frieß, U.; Granville, J.; Gu, M. et al.; Johnston, P.; Prados-Roman, C.; Querel, R.; Strong, K.; Wagner, T.; Wittrock, F.; Gonzalez, M. Y.: Ground-based validation of the MetopA and B GOME-2 OClO measurements. (2021)

Hünig, A.; Appel, O.; Dragoneas, A.; Molleker, S.; Clemen, H.-C.; Helleis, F.; Klimach, T.; Köllner, F.; Böttger, T.; Drewnick, F. et al.; Schneider, J.; Borrmann, S.: Design, characterization, and first field deployment of a novel aircraft-based aerosol mass spectrometer combining the laser ablation and flash vaporization techniques. (2021)

Franco, M. A.; Ditas, F.; Kremper, L. A.; Machado, L. A. T.; Andreae, M. O.; Araújo, A.; Barbosa, H. M. J.; de Brito, J. F.; Carbone, S.; Holanda, B. A. et al.; Morais, F. G.; Nascimento, J. P.; Pöhlker, M. L.; Rizzo, L. V.; Sá, M.; Saturno, J.; Walter, D.; Wolff, S.; Pöschl, U.; Artaxo, P.; Pöhlker, C.: Occurrence and growth of sub-50 nm aerosol particles in the Amazonian boundary layer. (2021)

Karagkiozidis, D.; Friedrich, M. M.; Beirle, S.; Bais, A.; Hendrick, F.; Voudouri, K. A.; Fountoulakis, I.; Karanikolas, A.; Tzoumaka, P.; Roozendael, M. V. et al.; Balis, D.; Wagner, T.: Retrieval of tropospheric aerosol, NO₂ and HCHO vertical profiles from MAX-DOAS observations over Thessaloniki, Greece. (2021)

Li, M.; Pozzer, A.; Lelieveld, J.; Williams, J.: Global atmospheric ethane, propane and methane trends (2006–2016). (2021)

Liu, F.; Tao, Z.; Beirle, S.; Joiner, J.; Yoshida, Y.; Smith, S. J.; Knowland, K. E.; Wagner, T.: A new method for inferring city emissions and lifetimes of nitrogen oxides from high-resolution nitrogen dioxide observations: A model study. (2021)

Schallock, J.; Brühl, C.; Bingen, C.; Höpfner, M.; Rieger, L.; Lelieveld, J.: Radiative forcing by volcanic eruptions since 1990, calculated with a chemistry-climate model and a new emission inventory based on vertically resolved satellite measurements. (2021)

Kuhn, J.; Bobrowski, N.; Wagner, T.; Platt, U.: Mobile and high spectral resolution Fabry Pérot interferometer spectrographs for atmospheric remote sensing. (2021)