pollutant,Sun-Thu,Fri-AM,Fri-PM,Sat
NO,18.43,10.37,1.52,5.84
NO2,20.32,12.36,6.04,9.95
NOX,38.76,22.73,7.56,15.8
PM10,143.89,96.41,77.76,96.04
PM2.5,26.79,23.61,22.72,25.37