For questions or information, contact the PI Dr. E. A. Kort at eakort@umich.edu All flights merge file from entire 2020 campaign. Column names: Date Time.EPOCH Latitude Longitude Altitude.m. WindU.m.s. WindV.m.s. Temperature.C. RH... CH4_dry.ppm. CO2_dry.ppm. H2O... CO_dry.ppm. O3.ppb. NO2.ppb. NO.ppb. AGL.m. Date: time and date of flight Time.EPOCH: seconds since 01/01/1970 Latitude: GPS latitude of measurement Longitude: GPS longitude of measurement Altitude.m.: Altitude in meters WindU.m.s.: U Wind speed in meters/second WindV.m.s.: V Wind speed in meters/second Temperature.C.: observed temperature in Celsius RH...: observed relative humidity (%) CH4_dry.ppm.: observed methane in parts per million CO2_dry.ppm.: observed carbon dioxide in parts per million H2O...: Observed water vapor CO_dry.ppm.: observed carbon monoxide in parts per million O3.ppb.: observed ozone in parts per billion NO2.ppb.: observed NO2 in parts per billion NO.ppb.: observed NO in parts per billion AGL.m.: above ground level height in meters Citation for this dataset: Kort, E., Smith, M. Aircraft Data for Airborne Assessment of Urban Atmospheric Chemistry Changes during COVID-19 Shutdowns in Houston and Denver [Data set], University of Michigan - Deep Blue. https://doi.org/10.7302/nntt-4825