"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)" 2021,01,12,01,0,0,0.007,0.007,0.025,0.05,1.98,2.03,0.012,12,NNE,0.8 12,NNE,0.8 2021,01,12,02,0,0,0.005,0.005,0.028,0.03,1.98,2.01,0.009,11,quiet,0.3 11,quiet,0.3 2021,01,12,03,0,0,0.004,0.004,0.028,0.04,1.98,2.02,0.010,11,quiet,0 11,quiet,0 2021,01,12,04,0,0,0.004,0.004,0.025,0.03,1.99,2.02,0.009,9,quiet,0 9,quiet,0 2021,01,12,05,0,0,0.004,0.004,0.025,0.03,1.99,2.02,0.009,9,quiet,0 9,quiet,0 2021,01,12,06,0,0,0.007,0.007,0.020,0.03,1.99,2.02,0.012,17,ENE,0.5 17,ENE,0.5 2021,01,12,07,0,0,0.009,0.009,0.018,0.08,2.02,2.10,0.015,17,quiet,0.3 17,quiet,0.3 2021,01,12,08,0,0.001,0.013,0.014,0.016,0.07,2.02,2.09,0.011,13,quiet,0.1 13,quiet,0.1 2021,01,12,09,0,0.005,0.018,0.023,0.011,0.11,2.03,2.14,0.008,13,quiet,0.3 13,quiet,0.3 2021,01,12,10,0,0.009,0.018,0.027,0.013,0.13,2.02,2.15,0.014,15,quiet,0.3 15,quiet,0.3 2021,01,12,11,0,0.004,0.010,0.014,0.024,0.07,2.00,2.07,0.013,10,NW,0.7 10,NW,0.7 2021,01,12,12,0,0.002,0.007,0.009,0.030,0.04,1.97,2.01,0.011,13,N,1.2 13,N,1.2 2021,01,12,13,0.001,0.001,0.006,0.007,0.034,0.03,1.97,2.00,0.011,10,N,2.3 10,N,2.3 2021,01,12,14,0.001,0.001,0.005,0.006,0.038,0.03,1.97,2.00,0.011,11,SSW,0.8 11,SSW,0.8 2021,01,12,15,0.001,0.001,0.005,0.006,0.039,0.03,1.98,2.01,0.013,11,SSW,1.0 11,SSW,1.0 2021,01,12,16,0.001,0.001,0.005,0.006,0.039,0.05,1.98,2.03,0.012,12,WSW,0.6 12,WSW,0.6 2021,01,12,17,0.001,0.001,0.006,0.007,0.040,0.05,1.98,2.03,0.014,14,quiet,0.1 14,quiet,0.1 2021,01,12,18,0.001,0,0.006,0.006,0.038,0.05,1.97,2.02,0.013,15,quiet,0.2 15,quiet,0.2 2021,01,12,19,0,0.001,0.012,0.013,0.032,0.11,1.99,2.10,0.016,15,quiet,0 15,quiet,0 2021,01,12,20,0,0.003,0.020,0.023,0.016,0.26,2.01,2.27,0.019,20,N,0.7 20,N,0.7 2021,01,12,21,0,0.001,0.019,0.020,0.014,0.17,2.01,2.18,0.015,16,quiet,0.3 16,quiet,0.3 2021,01,12,22,0,0.001,0.017,0.018,0.015,0.14,2.00,2.14,0.020,18,NNE,0.7 18,NNE,0.7 2021,01,12,23,0,0.001,0.013,0.014,0.016,0.10,2.00,2.10,0.016,15,NE,0.8 15,NE,0.8 2021,01,12,24,0,0.001,0.011,0.012,0.012,0.09,1.99,2.08,0.015,15,quiet,0.3 15,quiet,0.3