Review of Wang et al [post]

2020 unpublished
This manuscript describes the deployment of low-cost air pollutant sensors for O3, NO2, and CO on taxis in Nanjing. This work is novel because it combines low-cost sensors with a distributed, quasi-random sampling platform. Overall the manuscript is appropriate for the journal, but it is not ready for publication at this time. My main criticisms focus on the methods. As detailed in my comments below, the authors need to provide more information on the sensor package that they used. They do not
more » ... ven tell the readers whether these gas sensors were electrochemical, metal oxide, or something else. Additionally, the way that the data are assigned to points in space is not described in sufficient detail. C1
doi:10.5194/acp-2020-1169-rc1 fatcat:wnhvax7zkzhzhjixbhmqbsrpdm