1. Meteorology and Air Quality Section Wageningen University Wageningen Netherlands
2. Atmospheric Chemistry Department Max Planck Institute for Chemistry Mainz Germany
3. European Centre for Medium‐Range Forecast Reading UK
4. Centro de Previsao de Tempo e Estudios Climaticos, INPE Sao Jose dos Campos Brasil
5. Multiphase Chemistry Department Max Planck Institute for Chemistry Mainz Germany
6. Earth and Environmental Engineering Columbia University New York NY USA
7. Department of Earth and Planetary Sciences Harvard University Cambridge MA USA
8. Department of Meteorology and Atmospheric Science The Pennsylvania State University University Park PA USA