Urban air pollution in Beijing, China, had no effect on ice nucleating particle concentrations

Heike Wex1, Jie Chen2, Stefanie Augustin-Bauditz3, Sarah Grawe3, Xiangyu Pei4 and Zhijun Wu5, (1)Leibniz Institute for Tropospheric Research, Leipzig, Germany, (2)Second Institute of Oceanography, Ministry of Natural Resources, Key Laboratory of Submarine Geosciences, Hangzhou, China, (3)Leibniz Institute for Tropospheric Research, Experimental Aerosol and Cloud Microphysics, Leipzig, Germany, (4)University of Gothenburg, Department of Chemistry and Molecular Biology, Gothenburg, Sweden, (5)Peking University, College of Environmental Sciences and Engineering, Beijing, China