Tijs Neutens and colleagues have a new paper where they use mobile phone data to assess people's exposure to air pollution in Belgium in high spatio-temporal resolution. Some of you might be interested (via GAUMAS).
Dewulf, B., et al. (2016). Dynamic assessment of exposure to air pollution using mobile phone data. International journal of health geographics, 15(1), 1.
image credit: Dewulf, et al. (2016)