"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)" 2021,02,18,01,0,0,0.002,0.002,0.036,0.03,2.06,2.09,0.011,12,SW,0.5 12,SW,0.5 2021,02,18,02,0,0,0.003,0.003,0.035,0.03,2.06,2.09,0.012,11,quiet,0.2 11,quiet,0.2 2021,02,18,03,0,0,0.003,0.003,0.034,0.03,2.06,2.09,0.011,9,WSW,1.1 9,WSW,1.1 2021,02,18,04,0,0,0.002,0.002,0.036,0.02,2.05,2.07,0.009,7,SW,0.8 7,SW,0.8 2021,02,18,05,0,0,0.002,0.002,0.036,0.03,2.05,2.08,0.007,9,SW,0.6 9,SW,0.6 2021,02,18,06,0,0,0.003,0.003,0.035,0.02,2.04,2.06,0.008,10,SW,0.6 10,SW,0.6 2021,02,18,07,0,0,0.003,0.003,0.034,0.03,2.05,2.08,0.008,6,quiet,0.1 6,quiet,0.1 2021,02,18,08,0,0.001,0.006,0.007,0.030,0.05,2.06,2.11,0.009,8,quiet,0.4 8,quiet,0.4 2021,02,18,09,0,0.001,0.005,0.006,0.033,0.04,2.05,2.09,0.008,8,WSW,1.7 8,WSW,1.7 2021,02,18,10,0,0.001,0.005,0.006,0.035,0.03,2.05,2.08,0.009,13,WSW,2.1 13,WSW,2.1 2021,02,18,11,0,0.001,0.004,0.005,0.036,0.02,2.04,2.06,0.011,11,SW,1.2 11,SW,1.2 2021,02,18,12,0,0.001,0.003,0.004,0.037,0.03,2.03,2.06,0.011,13,SW,1.1 13,SW,1.1 2021,02,18,13,0,0.001,0.003,0.004,0.037,0.03,2.02,2.05,0.009,11,SW,1.2 11,SW,1.2 2021,02,18,14,0,0.001,0.003,0.004,0.037,0.02,2.02,2.04,0.009,8,SW,1.2 8,SW,1.2 2021,02,18,15,0,0,0.003,0.003,0.041,0.02,2.01,2.03,0.008,11,SSW,0.9 11,SSW,0.9 2021,02,18,16,0,0,0.003,0.003,0.041,0.03,2.01,2.04,0.010,10,SW,0.7 10,SW,0.7 2021,02,18,17,0,0.001,0.004,0.005,0.041,0.03,2.01,2.04,0.011,9,SW,0.9 9,SW,0.9 2021,02,18,18,0,0,0.004,0.004,0.041,0.03,2.01,2.04,0.010,9,N,0.5 9,N,0.5 2021,02,18,19,0,0,0.005,0.005,0.039,0.05,2.02,2.07,0.009,11,NNW,0.7 11,NNW,0.7 2021,02,18,20,0,0,0.006,0.006,0.037,0.07,2.03,2.10,0.009,9,NNE,0.5 9,NNE,0.5 2021,02,18,21,0,0,0.007,0.007,0.034,0.05,2.02,2.07,0.011,10,quiet,0.1 10,quiet,0.1 2021,02,18,22,0,0,0.007,0.007,0.034,0.05,2.02,2.07,0.014,11,SSW,0.5 11,SSW,0.5 2021,02,18,23,0,0,0.007,0.007,0.031,0.05,2.03,2.08,0.011,12,NNE,0.6 12,NNE,0.6 2021,02,18,24,0,0,0.008,0.008,0.025,0.07,2.03,2.10,0.011,12,NE,0.7 12,NE,0.7