Articles | Volume 11, issue 5
https://doi.org/10.5194/amt-11-2669-2018
https://doi.org/10.5194/amt-11-2669-2018
Research article
 | 
07 May 2018
Research article |  | 07 May 2018

Mid-IR spectrometer for mobile, real-time urban NO2 measurements

P. Morten Hundt, Michael Müller, Markus Mangold, Béla Tuzson, Philipp Scheidegger, Herbert Looser, Christoph Hüglin, and Lukas Emmenegger

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Cited articles

Arfire, A., Marjovi, A., and Martinoli, A.: Model-based rendezvous calibration of mobile sensor networks for monitoring air quality, IEEE Sens. J., 1–4, https://doi.org/10.1109/ICSENS.2015.7370258, 2015. 
Brauer, M., Lencar, C., Tamburic, L., Koehoorn, M., Demers, P., and Karr, C.: A cohort study of traffic-related air pollution impacts on birth outcomes, Environ. Health Persp., 116, 680–686, 2008. 
Brunner, J. and Scheller, M.: Luftbilanz Stadt Zurich (Air quality report of the city of Zurich), Gesundheits- und Umweltdepartement Zürich, Zurich, Switzerland, 2014. 
Courtillot, I., Morville, J., Motto-Ros, V., and Romanini, D.: Sub-ppb NO2 detection by optical feedback cavity-enhanced absorption spectroscopy with a blue diode laser, Appl. Phys. B-Lasers O., 85, 407–412, 2006. 
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Short summary
NO2 is a pollutant that regularly exceeds its limit values in European cities. We developed a compact, mobile laser spectrometer that measures NO2 concentrations and installed it on a tram in Zurich. Mobile operation resulted in NO2 concentration data with high spatio-temporal resolution. The data were validated against fixed air-quality monitoring sites and provided detailed insights into the spatio-temporal concentration distribution of NO2 in an urban environment.