"Year","Month","Day","Hour","SO2 (ppm)","NO (ppm)","NO2 (ppm)","NOx (ppm)","Ox (ppm)","NMHC (ppmC)","CH4 (ppmC)","THC (ppmC)","SPM (mg/m3)","PM2.5 (micro-g/m3)","WD","WS (m/s)" 2020,04,20,01,0,0,0.002,0.002,0.044,0.10,1.94,2.04,0.009,8,WSW,1.0 8,WSW,1.0 2020,04,20,02,0,0,0.002,0.002,0.065,0.10,1.99,2.09,0.008,11,SW,1.8 11,SW,1.8 2020,04,20,03,0,0,0.002,0.002,0.069,0.09,2.01,2.10,0.011,11,WSW,1.4 11,WSW,1.4 2020,04,20,04,0,0,0.003,0.003,0.066,0.06,2.00,2.06,0.008,9,SW,1.8 9,SW,1.8 2020,04,20,05,0,0,0.003,0.003,0.064,0.02,1.98,2.00,0.007,8,WSW,1.4 8,WSW,1.4 2020,04,20,06,0,0,0.003,0.003,0.058,0.08,1.98,2.06,0.008,9,quiet,0.1 9,quiet,0.1 2020,04,20,07,0,0,0.004,0.004,0.052,0.09,1.97,2.06,0.003,6,N,2.6 6,N,2.6 2020,04,20,08,0,0,0.004,0.004,0.053,0.08,1.93,2.01,0.003,6,NNW,1.0 6,NNW,1.0 2020,04,20,09,0.001,0.001,0.007,0.008,0.044,0.07,1.94,2.01,0.005,5,SW,0.5 5,SW,0.5 2020,04,20,10,0,0.001,0.006,0.007,0.048,0.12,1.94,2.06,0.005,7,quiet,0.3 7,quiet,0.3 2020,04,20,11,0,0,0.004,0.004,0.052,0.09,1.94,2.03,0.007,5,quiet,0.4 5,quiet,0.4 2020,04,20,12,0,0,0.003,0.003,0.054,0.08,1.95,2.03,0.002,2,SW,1.0 2,SW,1.0 2020,04,20,13,0,0,0.003,0.003,0.059,0.06,1.95,2.01,0.004,1,SW,1.6 1,SW,1.6 2020,04,20,14,0,0,0.003,0.003,0.061,0.06,1.95,2.01,0.004,2,SW,1.0 2,SW,1.0 2020,04,20,15,0,0,0.003,0.003,0.060,0.10,1.96,2.06,0.005,4,SW,1.1 4,SW,1.1 2020,04,20,16,0,0,0.003,0.003,0.059,0.10,1.96,2.06,0.004,2,SW,1.0 2,SW,1.0 2020,04,20,17,0,0,0.003,0.003,0.060,0.07,1.96,2.03,0.006,3,WSW,0.9 3,WSW,0.9 2020,04,20,18,0,0,0.003,0.003,0.061,0.11,1.96,2.07,0.006,8,SW,1.3 8,SW,1.3 2020,04,20,19,0,0,0.004,0.004,0.058,0.09,1.96,2.05,0.005,6,SW,1.3 6,SW,1.3 2020,04,20,20,0,0,0.004,0.004,0.055,0.08,1.97,2.05,0.007,7,SW,1.1 7,SW,1.1 2020,04,20,21,0,0,0.004,0.004,0.056,0.04,1.97,2.01,0.008,7,SW,0.7 7,SW,0.7 2020,04,20,22,0,0,0.004,0.004,0.056,0.07,1.97,2.04,0.006,7,WSW,0.9 7,WSW,0.9 2020,04,20,23,0,0,0.004,0.004,0.056,0.08,1.98,2.06,0.009,6,SW,0.8 6,SW,0.8 2020,04,20,24,0,0,0.004,0.004,0.055,0.13,1.97,2.10,0.009,10,SW,0.8 10,SW,0.8