![]() Where do these extremely high particulate levels come from in nighttime New Delhi in winter? A team of researchers from the Laboratory for Atmospheric Chemistry at PSI has been investigating this question together with local scientists, including members of the Indian Institute of Technology Kanpur. In that smog-plagued metropolis, one cubic meter of air contains “only” 70 micrograms of particulates whereas in Zurich the figure is just 10 micrograms per cubic meter. To get some idea of this magnitude, compare this value with the Chinese capital Beijing. In winter, the particulate matter levels exceed 500 micrograms per cubic meter of air. Its high levels of air pollution are responsible for a large number of premature deaths. Support Program "PSI Career Return Program"įor the past three years, New Delhi has been ranked the world’s most polluted capital.Equal Opportunities, Diversity & Inclusion.Research Divisions & Labs (only english). ![]() 5232 - The magazine of the Paul Scherrer Institute.
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