table_header: Date: desc: Date of the measurement unit: YYYY-MM-DD rename_as: date Time: desc: Time of the measurement unit: HH:MM:SS rename_as: time NO: desc: NO concentration unit: ppb, ppm rename_as: no_concentration NO2: desc: NO2 concentration unit: ppb, ppm rename_as: no2_concentration NOx: desc: NOx concentration unit: ppb, ppm rename_as: nox_concentration