ClearfLo (Clean Air for London) Project was a collaborative scientific project involving several academic institutions in the UK, which aimed to set up air pollution monitoring sites alongside meteorological measurements to investigate boundary layer pollution across London.

This dataset contains NAME airmass footprint images and measurements of air temperature, dew point, wind speed, wind direction, rainfall, pressure, solar radiation, spectral radiometer species, aethalometer, chemical ionisation mass spectrometer, condensation particle counter, soot, aerosol, formaldehyde, nitrate, PAN, carbon monoxide, NO and NO2 at North Kensington, London.