station_id,date,pm25,no2,ozone,so2
STK-01,2019-01-01,27.0,46.6,24.5,6.6
STK-02,2019-01-01,26.5,41.4,23.6,10.2
STK-03,2019-01-01,30.6,33.6,33.9,8.6
STK-04,2019-01-01,18.6,40.3,29.7,6.7
STK-05,2019-01-01,13.6,11.9,33.1,9.1
STK-06,2019-01-01,15.3,26.9,26.9,9.4
STK-07,2019-01-01,25.0,24.8,45.0,7.1
STK-08,2019-01-01,15.9,23.8,10.0,12.0
STK-09,2019-01-01,23.9,26.0,26.5,6.8
STK-10,2019-01-01,18.4,20.6,10.6,7.9
STK-11,2019-01-01,10.0,14.4,28.5,9.0
STK-12,2019-01-01,9.0,13.6,33.4,7.4
GOT-01,2019-01-01,20.8,44.6,38.0,8.9
GOT-02,2019-01-01,23.4,49.8,43.9,5.1
GOT-03,2019-01-01,27.1,34.9,48.8,8.1
GOT-04,2019-01-01,28.6,43.9,17.5,7.4
GOT-05,2019-01-01,17.6,40.3,30.1,7.2
GOT-06,2019-01-01,16.8,31.6,17.9,7.3
GOT-08,2019-01-01,16.7,23.3,37.7,9.2
GOT-09,2019-01-01,19.4,28.4,33.1,3.9
GOT-10,2019-01-01,24.3,23.0,28.6,7.6
GOT-11,2019-01-01,12.5,11.5,26.3,7.0
GOT-12,2019-01-01,11.7,26.4,29.3,8.4
GOT-13,2019-01-01,9.5,11.5,38.0,7.7
GOT-14,2019-01-01,13.1,12.8,41.0,9.3
MAL-01,2019-01-01,20.3,34.6,27.3,7.8
MAL-02,2019-01-01,24.3,40.9,20.4,6.4
MAL-03,2019-01-01,23.8,44.2,24.1,8.9
MAL-04,2019-01-01,21.3,34.7,23.4,7.9
MAL-05,2019-01-01,21.6,39.1,10.0,8.7
MAL-06,2019-01-01,13.2,30.3,29.3,5.0
MAL-07,2019-01-01,10.0,24.2,38.1,8.9
MAL-08,2019-01-01,14.8,20.0,30.1,4.5
MAL-09,2019-01-01,19.4,24.1,33.8,6.1
MAL-10,2019-01-01,24.5,23.4,22.9,5.6
MAL-11,2019-01-01,14.5,23.0,12.7,5.4
MAL-12,2019-01-01,13.3,22.1,22.0,10.2
MAL-13,2019-01-01,7.4,18.0,23.3,8.6
MAL-14,2019-01-01,13.7,12.6,40.6,8.0
STK-01,2019-01-02,22.5,39.9,31.9,9.3
STK-02,2019-01-02,26.8,43.8,38.8,10.0
STK-03,2019-01-02,23.7,37.0,21.4,8.1
STK-04,2019-01-02,24.3,28.9,27.4,8.8
STK-06,2019-01-02,14.5,17.3,35.6,7.5
STK-07,2019-01-02,18.8,31.5,28.3,6.7
STK-08,2019-01-02,19.6,26.2,21.2,10.7
STK-09,2019-01-02,16.0,17.5,37.7,10.0
STK-10,2019-01-02,12.8,23.8,17.8,9.7
STK-11,2019-01-02,20.5,18.6,37.0,5.2
STK-12,2019-01-02,18.8,16.6,15.7,8.2
GOT-01,2019-01-02,24.1,33.2,13.8,8.6
GOT-02,2019-01-02,24.6,45.6,21.3,11.4
GOT-03,2019-01-02,23.5,32.6,28.5,4.9
GOT-04,2019-01-02,26.1,47.0,19.0,10.4
GOT-05,2019-01-02,24.3,35.6,25.3,9.0
GOT-06,2019-01-02,16.9,27.4,25.6,2.5
GOT-07,2019-01-02,17.2,26.0,39.9,8.2
GOT-08,2019-01-02,19.8,18.8,39.9,6.1
GOT-09,2019-01-02,21.1,21.5,30.8,6.1
GOT-10,2019-01-02,15.1,22.4,32.2,7.9
GOT-11,2019-01-02,11.6,19.3,10.0,9.4
GOT-12,2019-01-02,14.3,14.8,30.1,10.8
GOT-13,2019-01-02,8.4,19.0,26.3,9.4
GOT-14,2019-01-02,16.0,12.5,14.7,4.0
MAL-01,2019-01-02,27.0,40.8,19.3,11.1
MAL-02,2019-01-02,27.4,35.3,24.2,8.0
MAL-03,2019-01-02,31.5,44.9,33.4,5.7
MAL-04,2019-01-02,29.0,39.2,17.8,8.5
MAL-05,2019-01-02,25.0,38.4,22.4,10.5
MAL-06,2019-01-02,21.8,18.4,16.3,7.3
MAL-07,2019-01-02,19.8,19.7,15.7,7.4
MAL-08,2019-01-02,17.2,27.8,35.6,7.0
MAL-09,2019-01-02,16.3,24.4,29.0,7.7
MAL-10,2019-01-02,19.3,18.2,28.3,5.6
MAL-11,2019-01-02,12.0,18.2,42.5,6.8
MAL-12,2019-01-02,17.3,15.2,33.4,6.5
MAL-13,2019-01-02,13.6,20.7,10.0,7.2
MAL-14,2019-01-02,13.0,24.9,43.8,8.8
STK-01,2019-01-03,30.4,40.2,39.2,8.5
STK-02,2019-01-03,21.1,43.3,17.9,9.5
STK-03,2019-01-03,24.2,33.8,32.2,4.8
STK-04,2019-01-03,25.6,38.3,38.1,9.1
STK-05,2019-01-03,13.0,16.3,16.4,9.0
STK-06,2019-01-03,15.7,25.0,18.2,7.5
STK-07,2019-01-03,18.3,35.2,34.2,9.7
STK-08,2019-01-03,17.3,21.9,18.2,8.6
STK-09,2019-01-03,20.9,23.6,16.6,9.5
STK-10,2019-01-03,20.7,19.3,22.0,10.5
STK-11,2019-01-03,17.1,16.9,30.9,5.4
STK-12,2019-01-03,12.4,12.9,10.0,4.8
GOT-01,2019-01-03,25.9,39.5,26.6,6.7
GOT-02,2019-01-03,27.7,37.7,26.6,5.9
GOT-03,2019-01-03,27.4,39.3,47.0,7.1
GOT-04,2019-01-03,23.8,36.7,23.1,7.5
GOT-05,2019-01-03,28.1,43.0,46.6,8.6
GOT-06,2019-01-03,21.1,14.0,25.8,9.9
GOT-07,2019-01-03,18.8,21.7,15.3,8.8
GOT-08,2019-01-03,16.0,24.6,19.8,8.1
GOT-09,2019-01-03,17.7,20.9,24.9,5.7