"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)" 2021,01,20,01,0,0,0.007,0.007,0.028,0.05,1.99,2.04,0.005,7,N,1.0 7,N,1.0 2021,01,20,02,-,-,-,-,0.022,0.09,2.00,2.09,0.007,8,N,0.9 8,N,0.9 2021,01,20,03,0.001,0,0.007,0.007,0.023,0.06,2.02,2.08,0.004,7,quiet,0.2 7,quiet,0.2 2021,01,20,04,0,0,0.005,0.005,0.025,0.05,2.00,2.05,0.006,7,quiet,0.3 7,quiet,0.3 2021,01,20,05,0,0,0.006,0.006,0.020,0.05,2.02,2.07,0.009,9,quiet,0 9,quiet,0 2021,01,20,06,0,0,0.008,0.008,0.018,0.07,2.02,2.09,0.004,6,quiet,0.2 6,quiet,0.2 2021,01,20,07,0,0.001,0.015,0.016,0.012,0.08,2.04,2.12,0.007,8,N,1.0 8,N,1.0 2021,01,20,08,0,0.002,0.016,0.018,0.013,0.09,2.03,2.12,0.008,6,N,0.6 6,N,0.6 2021,01,20,09,0,0.005,0.015,0.020,0.016,0.09,2.02,2.11,0.011,10,N,1.3 10,N,1.3 2021,01,20,10,0.001,0.004,0.010,0.014,0.025,0.11,2.01,2.12,0.010,9,NE,1.7 9,NE,1.7 2021,01,20,11,0.001,0.002,0.006,0.008,0.030,0.04,1.98,2.02,0.013,12,NE,1.9 12,NE,1.9 2021,01,20,12,0.002,0.002,0.006,0.008,0.033,0.07,1.99,2.06,0.011,13,E,0.7 13,E,0.7 2021,01,20,13,0.004,0.001,0.005,0.006,0.040,0.05,1.98,2.03,0.019,17,SE,0.9 17,SE,0.9 2021,01,20,14,0.010,0.001,0.005,0.006,0.045,0.04,1.98,2.02,0.018,19,SW,1.3 19,SW,1.3 2021,01,20,15,0.008,0.001,0.005,0.006,0.045,0.04,1.97,2.01,0.018,17,SSW,0.9 17,SSW,0.9 2021,01,20,16,0.006,0.001,0.006,0.007,0.045,0.05,1.97,2.02,0.018,16,SSW,0.8 16,SSW,0.8 2021,01,20,17,0.006,0.002,0.009,0.011,0.043,0.05,1.97,2.02,0.020,15,SSE,0.8 15,SSE,0.8 2021,01,20,18,0.005,0.001,0.009,0.010,0.041,0.07,1.97,2.04,0.019,18,SSW,0.5 18,SSW,0.5 2021,01,20,19,0.003,0.001,0.018,0.019,0.029,0.12,1.99,2.11,0.021,22,quiet,0.4 22,quiet,0.4 2021,01,20,20,0.002,0.001,0.025,0.026,0.017,0.24,2.02,2.26,0.031,27,quiet,0.1 27,quiet,0.1 2021,01,20,21,0.001,0.004,0.032,0.036,0.002,0.35,2.02,2.37,0.032,30,quiet,0.3 30,quiet,0.3 2021,01,20,22,0.001,0.003,0.026,0.029,0,0.35,2.03,2.38,0.026,22,N,0.5 22,N,0.5 2021,01,20,23,0.001,0.001,0.017,0.018,0.017,0.21,2.04,2.25,0.020,19,quiet,0.3 19,quiet,0.3 2021,01,20,24,0.001,0.001,0.018,0.019,0.012,0.20,2.04,2.24,0.022,19,quiet,0.1 19,quiet,0.1