The inorganic compounds in PM2.5 aerosols were measured using a Fourier-transform infrared (FTIR) spectroscopy before Chinese New Year in 2014 in Zhengzhou city, China. We combine the data of gaseous pollutants (NO2 and SO2) to analyze the inorganic compounds in PM2.5 and use the air back trajectories to analyze the effect of transport.

© 2018 The Author(s)

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