"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)" 2021,02,23,01,0,0,0.012,0.012,0.020,0.16,2.00,2.16,0.018,20,quiet,0.1 20,quiet,0.1 2021,02,23,02,0,0,0.010,0.010,0.018,0.15,1.99,2.14,0.018,14,quiet,0.1 14,quiet,0.1 2021,02,23,03,0,0,0.008,0.008,0.019,0.12,1.99,2.11,0.018,15,quiet,0 15,quiet,0 2021,02,23,04,0,0,0.008,0.008,0.025,0.14,2.00,2.14,0.020,17,quiet,0.4 17,quiet,0.4 2021,02,23,05,0,0,0.005,0.005,0.037,0.07,1.98,2.05,0.019,17,NNW,1.6 17,NNW,1.6 2021,02,23,06,0,0,0.004,0.004,0.041,0.04,1.97,2.01,0.020,14,quiet,0.2 14,quiet,0.2 2021,02,23,07,0,0,0.005,0.005,0.040,0.05,1.97,2.02,0.020,15,N,1.4 15,N,1.4 2021,02,23,08,0,0,0.005,0.005,0.043,0.05,1.97,2.02,0.018,12,NE,0.8 12,NE,0.8 2021,02,23,09,0,0.001,0.005,0.006,0.043,0.03,1.96,1.99,0.019,12,NNE,1.9 12,NNE,1.9 2021,02,23,10,0,0.001,0.004,0.005,0.046,0.04,1.96,2.00,0.018,13,NE,2.4 13,NE,2.4 2021,02,23,11,0,0.001,0.004,0.005,0.047,0.04,1.96,2.00,0.015,12,N,1.5 12,N,1.5 2021,02,23,12,0,0,0.003,0.003,0.049,0.05,1.96,2.01,0.019,15,NNE,1.7 15,NNE,1.7 2021,02,23,13,0,0,0.003,0.003,0.050,0.03,1.95,1.98,0.013,13,N,2.2 13,N,2.2 2021,02,23,14,0,0,0.003,0.003,0.051,0.04,1.96,2.00,0.014,13,N,3.1 13,N,3.1 2021,02,23,15,0,0,0.003,0.003,0.050,0.04,1.96,2.00,0.016,12,NNW,1.6 12,NNW,1.6 2021,02,23,16,0,0,0.003,0.003,0.050,0.03,1.96,1.99,0.017,13,N,3.1 13,N,3.1 2021,02,23,17,0,0,0.003,0.003,0.048,0.02,1.96,1.98,0.012,11,NNE,2.1 11,NNE,2.1 2021,02,23,18,0,0,0.003,0.003,0.047,0.04,1.96,2.00,0.010,11,N,3.2 11,N,3.2 2021,02,23,19,0,0,0.004,0.004,0.046,0.04,1.96,2.00,0.013,11,N,2.0 11,N,2.0 2021,02,23,20,0,0,0.004,0.004,0.046,0.03,1.97,2.00,0.014,12,N,2.1 12,N,2.1 2021,02,23,21,0,0,0.004,0.004,0.044,0.03,1.97,2.00,0.012,10,NNE,0.5 10,NNE,0.5 2021,02,23,22,0,0,0.005,0.005,0.042,0.04,1.97,2.01,0.014,11,N,1.3 11,N,1.3 2021,02,23,23,0,0,0.003,0.003,0.043,0.05,1.96,2.01,0.013,10,N,0.9 10,N,0.9 2021,02,23,24,0,0,0.004,0.004,0.040,0.03,1.96,1.99,0.010,12,NE,0.6 12,NE,0.6