"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)" 2020,12,18,01,0,0.001,0.013,0.014,0.012,0.19,2.02,2.21,0.005,8,N,0.6 8,N,0.6 2020,12,18,02,0,0.001,0.014,0.015,0.011,0.21,2.03,2.24,0.008,6,N,0.8 6,N,0.8 2020,12,18,03,0,0,0.014,0.014,0.012,0.20,2.02,2.22,0.005,7,quiet,0.3 7,quiet,0.3 2020,12,18,04,0,0.001,0.012,0.013,0.011,0.19,2.03,2.22,0.007,7,quiet,0.1 7,quiet,0.1 2020,12,18,05,0,0.001,0.014,0.015,0.009,0.19,2.03,2.22,0.007,8,E,0.5 8,E,0.5 2020,12,18,06,0,0.001,0.021,0.022,0.003,0.25,2.05,2.30,0.011,11,quiet,0.1 11,quiet,0.1 2020,12,18,07,0,0.002,0.022,0.024,0.002,0.24,2.06,2.30,0.012,12,quiet,0 12,quiet,0 2020,12,18,08,0,0.016,0.024,0.040,0.002,0.33,2.06,2.39,0.011,12,quiet,0.2 12,quiet,0.2 2020,12,18,09,0.001,0.016,0.020,0.036,0.007,0.35,2.06,2.41,0.010,9,quiet,0.3 9,quiet,0.3 2020,12,18,10,0.002,0.009,0.016,0.025,0.016,0.22,2.02,2.24,0.007,7,SSW,0.6 7,SSW,0.6 2020,12,18,11,0.005,0.005,0.011,0.016,0.024,0.17,2.00,2.17,0.010,14,SW,0.7 14,SW,0.7 2020,12,18,12,0.005,0.004,0.012,0.016,0.025,0.15,2.00,2.15,0.011,14,quiet,0.2 14,quiet,0.2 2020,12,18,13,0.002,0.003,0.009,0.012,0.031,0.14,1.99,2.13,0.013,13,SW,0.9 13,SW,0.9 2020,12,18,14,0.001,0.002,0.007,0.009,0.035,0.17,1.98,2.15,0.012,12,WSW,1.2 12,WSW,1.2 2020,12,18,15,0.001,0.001,0.005,0.006,0.038,0.13,1.97,2.10,0.011,11,WSW,0.9 11,WSW,0.9 2020,12,18,16,0.001,0.001,0.005,0.006,0.038,0.12,1.97,2.09,0.010,10,SW,0.9 10,SW,0.9 2020,12,18,17,0,0.001,0.005,0.006,0.037,0.11,1.97,2.08,0.009,12,WSW,0.5 12,WSW,0.5 2020,12,18,18,0.001,0.001,0.008,0.009,0.034,0.13,1.97,2.10,0.012,13,WSW,0.9 13,WSW,0.9 2020,12,18,19,0.001,0.001,0.010,0.011,0.030,0.20,1.98,2.18,0.017,16,WSW,0.7 16,WSW,0.7 2020,12,18,20,0.001,0.001,0.011,0.012,0.028,0.19,1.99,2.18,0.013,12,S,1.0 12,S,1.0 2020,12,18,21,0.001,0,0.010,0.010,0.026,0.16,2.01,2.17,0.012,13,quiet,0.4 13,quiet,0.4 2020,12,18,22,0,0.001,0.012,0.013,0.025,0.19,2.02,2.21,0.013,12,NNE,0.5 12,NNE,0.5 2020,12,18,23,0,0.001,0.015,0.016,0.019,0.19,2.00,2.19,0.012,11,quiet,0.1 11,quiet,0.1 2020,12,18,24,0,0.001,0.015,0.016,0.017,0.28,2.02,2.30,0.013,13,quiet,0 13,quiet,0