"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)" 2020,12,22,01,0,0.001,0.016,0.017,0.013,0.12,2.02,2.14,0.019,20,N,0.5 20,N,0.5 2020,12,22,02,0,0.001,0.013,0.014,0.016,0.08,2.04,2.12,0.021,21,NNW,0.7 21,NNW,0.7 2020,12,22,03,0,0.001,0.013,0.014,0.010,0.06,2.04,2.10,0.019,21,quiet,0.1 21,quiet,0.1 2020,12,22,04,0,0,0.009,0.009,0.016,0.04,2.04,2.08,0.018,17,quiet,0.1 17,quiet,0.1 2020,12,22,05,0,0,0.009,0.009,0.016,0.02,2.04,2.06,0.016,16,quiet,0.1 16,quiet,0.1 2020,12,22,06,0,0,0.008,0.008,0.015,0.01,2.03,2.04,0.017,15,N,0.7 15,N,0.7 2020,12,22,07,0,0.001,0.016,0.017,0.009,0.03,2.04,2.07,0.017,16,quiet,0 16,quiet,0 2020,12,22,08,0,0.005,0.021,0.026,0.004,0.14,2.06,2.20,0.020,23,quiet,0.1 23,quiet,0.1 2020,12,22,09,0,0.006,0.021,0.027,0.005,0.11,2.05,2.16,0.021,20,quiet,0.1 20,quiet,0.1 2020,12,22,10,0.001,0.011,0.024,0.035,0.008,0.07,2.03,2.10,0.022,22,N,0.6 22,N,0.6 2020,12,22,11,0.002,0.006,0.021,0.027,0.017,0.07,2.02,2.09,0.021,21,quiet,0.3 21,quiet,0.3 2020,12,22,12,0.002,0.004,0.017,0.021,0.023,0.05,2.01,2.06,0.023,21,quiet,0.1 21,quiet,0.1 2020,12,22,13,0.002,0.003,0.014,0.017,0.030,0.04,2.01,2.05,0.023,24,SW,0.6 24,SW,0.6 2020,12,22,14,0.001,0.001,0.008,0.009,0.040,0,2.00,2.00,0.021,26,NNE,1.6 26,NNE,1.6 2020,12,22,15,-,-,-,-,0.039,-,-,-,-,17,NNE,1.3 17,NNE,1.3 2020,12,22,16,0.001,0.001,0.006,0.007,0.039,-,-,-,0.021,23,ENE,0.7 23,ENE,0.7 2020,12,22,17,0.001,0.001,0.008,0.009,0.039,0.02,2.02,2.04,0.028,35,WSW,0.6 35,WSW,0.6 2020,12,22,18,0.001,0,0.013,0.013,0.032,0.03,2.01,2.04,0.044,42,quiet,0 42,quiet,0 2020,12,22,19,0.001,0.001,0.022,0.023,0.020,0.10,2.03,2.13,0.040,44,N,0.5 44,N,0.5 2020,12,22,20,0.001,0.001,0.023,0.024,0.015,0.17,2.03,2.20,0.029,29,quiet,0.3 29,quiet,0.3 2020,12,22,21,0.001,0.001,0.013,0.014,0.024,0.10,2.03,2.13,0.029,32,quiet,0.4 32,quiet,0.4 2020,12,22,22,0,0,0.010,0.010,0.026,0.05,2.02,2.07,0.026,29,N,0.7 29,N,0.7 2020,12,22,23,0,0,0.010,0.010,0.022,0.04,2.02,2.06,0.024,28,quiet,0.2 28,quiet,0.2 2020,12,22,24,0,0.001,0.013,0.014,0.013,0.08,2.03,2.11,0.027,30,quiet,0.4 30,quiet,0.4