Read Me Contents * Comparison of AE51 and AE22 Jan2015.xlsx * Comparison of duplicate CPCs Oct2013.xls * Weekly data Glasgow West End.xlsx Description This data set contains excel spreadsheets containing field measurements made in Glasgow (UK) during 2013 and 2015 which support the technical note in Atmospheric Enbironment (http://dx.doi.org/10.1016/j.atmosenv.2016.11.035). Data was collected using passive diffusion tubes for NO2, Aethlabs Model AE51 for black carbon and TSI CPC 3007 for particle number count. Further details of how the data was processed are included in the aforementioned publication. Data is provided under a creative commons licence (CC-BY). Data Structure Comparison of AE51 and AE22 Jan2015.xlsx contains raw data and analysis comparing the output from the AE51 with a reference anlyser maintained at an air quality station. Comparison of duplicate CPCs Oct2013.xls contains raw data and analysis of the duplicte CPC instruments used in the study. Weekly data Glasgow West End.xlsx contains GPS coordinates of the sites in the study and weekly averaged data for NO2, BC and PNC.