Department/Division Human and Environmental Studies/Earth, Life and Environment
Undergraduate School Division of Natural Sciences
Other Affiliation Graduate School of Global Environmental Studies
Email kajii.yoshizumi.7e * (Please replace * with @)
Personal Page Website

Message to the prospective students

Welcome to Atmospheric Chemistry group.
We are focusing on air quality study in both urban and rural area. Clear positive trend of oxidant concentrations in both urban and rural area is one of our great concerned issues. Field observations of atmospheric composition are carried out to understand the chemistry that undergoes in the atmosphere. We are developing high tech instruments to measure trace level reactive species such as OH, HO2, and other VOCs using laser spectroscopy as well. Especially car exhaust and plant emission studied are currently extensive in our laboratory in Tsukuba (National Institute for Environmental Studies). We are seeking young students who has a motivation to contribute for atmospheric chemistry.
Research areas Atmospheric Chemistry, Environmental Chemistry, Physical Chemistry, Air pollution study
Keywords Photochemical oxidant, air pollution, acid rain, long range transport, laser spectroscopy
Themes /Mechanism of photochemical oxidant and mitigation strategy of oxidant in urban area
/Car exhaust analysis using chassis dynamometer
/Biogenic VOC analysis
/Methodology of diagnosis of air quality
/Development of radical measurement system using laser spectroscopy
/Field observation of air in mega cities in Asia
Major publications Kajii et al., Boreal Forest Fires in Siberia in 1998: Estimation of Area burned and Emissions of Pollutants by Advanced Very High Resolution Radiometer Satellite Data, J. Geophys. Res., 107(D24), 4745 (2002)
Sadanaga et al.,Measurements of OH reactivity and photochemical ozone production in the urban atmosphere, Environmental Science and Technology, 39, 8847-8852 (2005)
Matsumoto et al., Development of a measurement system for nitrate radical and dinitrogen pentoxide using a thermal conversion/laser induced fluorescence technique, Rev. Sci. Instrum., 76, 064101 (2005)
Miyazaki et al., A new technique for the selective measurement of atmospheric peroxy radical concentrations of HO2 and RO2 using denuding method, Atmos. Meas. Tech. 3, 1547-1554 (2010)
Suthawaree et al., Influence of extensive Compressed Natural Gas (CNG) usage on air quality, Atmospheric Environment, 54, 296-307 (2012)
Professional societies/Research and synergic activities
Teaching Areas
  • Undergraduate courses Physical Chemistry
  • Graduate courses (Master's program) Atmospheric Chemistry 1
    Atmospheric Chemistry 2
    Atmospheric Chemistry
  • Graduate courses (Doctor's program)
  • Undergraduate courses open to all departments Basic Physical Chemistry A
    Basic Physical Chemistry B
Background Ph.D in Chemistry, Tokyo Institute of Technology in 1987.
Post Doc fellow in Max-Planck-Institute for radiation chem. in 1987-88.
Research Associate in Tokyo Institute of Technology in 1988-93.
Associate Professor of the University of Tokyo in 1993-2002.
Professor of Tokyo Metropolitan University in 2002-2012.
Professor of Kyoto University in 2012-.
and also Group leader of Nat. Inst. for Environ. Stud.