"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)" 2020,05,12,01,0,0,0.005,0.005,0.030,0.14,1.98,2.12,0.011,13,NNE,0.5 13,NNE,0.5 2020,05,12,02,0,0,0.004,0.004,0.031,0.17,1.98,2.15,0.013,12,N,0.7 12,N,0.7 2020,05,12,03,0,0,0.004,0.004,0.030,0.11,1.99,2.10,0.010,12,N,0.9 12,N,0.9 2020,05,12,04,0,0,0.003,0.003,0.031,0.14,1.98,2.12,0.012,12,quiet,0.3 12,quiet,0.3 2020,05,12,05,0,0,0.004,0.004,0.029,0.14,1.99,2.13,0.012,12,N,0.9 12,N,0.9 2020,05,12,06,0,0,0.006,0.006,0.024,0.12,2.00,2.12,0.013,14,quiet,0 14,quiet,0 2020,05,12,07,0.001,0.001,0.007,0.008,0.026,0.14,2.03,2.17,0.013,13,N,0.8 13,N,0.8 2020,05,12,08,0.001,0.001,0.006,0.007,0.038,0.10,1.99,2.09,0.017,12,SW,0.5 12,SW,0.5 2020,05,12,09,0.001,0.001,0.004,0.005,0.051,0.10,1.99,2.09,0.021,15,SW,1.4 15,SW,1.4 2020,05,12,10,0,0,0.004,0.004,0.055,0.09,1.98,2.07,0.020,21,SW,1.4 21,SW,1.4 2020,05,12,11,0.001,0,0.004,0.004,0.058,0.10,1.98,2.08,0.021,20,SW,1.5 20,SW,1.5 2020,05,12,12,0,0,0.004,0.004,0.065,0.10,1.99,2.09,0.030,27,SW,1.8 27,SW,1.8 2020,05,12,13,0.001,0,0.004,0.004,0.071,0.10,2.01,2.11,0.031,28,SW,2.0 28,SW,2.0 2020,05,12,14,0.001,0,0.004,0.004,0.071,0.13,2.02,2.15,0.028,26,SW,2.0 26,SW,2.0 2020,05,12,15,0.001,0,0.003,0.003,0.066,0.12,2.01,2.13,0.019,17,SW,1.9 17,SW,1.9 2020,05,12,16,0.001,0,0.003,0.003,0.067,0.14,1.98,2.12,0.021,19,SW,2.0 19,SW,2.0 2020,05,12,17,0.001,0,0.003,0.003,0.066,0.11,1.99,2.10,0.016,16,SW,1.8 16,SW,1.8 2020,05,12,18,0.001,0,0.003,0.003,0.067,0.15,1.97,2.12,0.020,16,SW,1.6 16,SW,1.6 2020,05,12,19,0,0,0.004,0.004,0.071,0.15,2.01,2.16,0.032,29,SW,1.5 29,SW,1.5 2020,05,12,20,0,0,0.004,0.004,0.066,0.12,2.01,2.13,0.030,28,SW,0.8 28,SW,0.8 2020,05,12,21,0,0,0.004,0.004,0.060,0.11,2.01,2.12,0.020,22,SW,0.9 22,SW,0.9 2020,05,12,22,0,0,0.004,0.004,0.059,0.17,2.00,2.17,0.021,18,WSW,1.0 18,WSW,1.0 2020,05,12,23,0,0,0.003,0.003,0.064,0.10,2.01,2.11,0.019,17,WSW,1.4 17,WSW,1.4 2020,05,12,24,0.001,0,0.003,0.003,0.064,0.10,2.00,2.10,0.014,12,SW,0.8 12,SW,0.8