Table S1: Summary of the midpoint ship position and the sampling time. Sampling Midpoint Collection Date Sample ID Long./E Lat./(N/S) Start Date End Date No.1 121.59 34.11 8-Jan 9-Jan No.2 122.03 30.04 9-Jan 10-Jan No.3 119.17 25.47 10-Jan 11-Jan No.4 115.67 22.60 11-Jan 12-Jan No.5 113.76 20.40 12-Jan 13-Jan No.6 112.80 16.11 13-Jan 14-Jan No.7 111.77 11.48 14-Jan 15-Jan No.8 110.37 7.08 15-Jan 16-Jan No.9 107.97 2.56 16-Jan 17-Jan No.10 107.99 -1.43 17-Jan 18-Jan No.11 107.71 -4.44 18-Jan 19-Jan No.12 105.81 -6.04 19-Jan 20-Jan No.13 108.16 -10.63 20-Jan 21-Jan No.14 108.12 -12.90 21-Jan 22-Jan No.15 105.37 -16.02 22-Jan 23-Jan No.16 101.98 -19.79 23-Jan 24-Jan No.17 98.36 -23.76 24-Jan 25-Jan No.18 94.25 -28.13 25-Jan 26-Jan No.19 90.21 -32.26 26-Jan 27-Jan No.20 86.29 -36.19 27-Jan 28-Jan No.21 82.79 -39.71 28-Jan 29-Jan No.22 75.74 -39.48 29-Jan 30-Jan No.23 66.99 -37.75 30-Jan 3-Feb No.24 60.58 -37.85 3-Feb 4-Feb No.25 54.51 -37.93 4-Feb 5-Feb No.26 50.64 -37.88 5-Feb 6-Feb No.27 49.65 -37.58 7-Feb 8-Feb No.28 48.88 -36.49 9-Feb 10-Feb No.29 39.57 -32.54 10-Feb 13-Feb No.30 31.03 -29.87 14-Feb 15-Feb No.31 32.38 -30.45 15-Feb 20-Feb No.32 36.08 -32.07 20-Feb 21-Feb No.33 43.26 -35.16 21-Feb 22-Feb No.34 49.89 -37.55 22-Feb 24-Feb No.35 55.89 -36.72 24-Feb 2-Mar No.36 58.75 -33.82 2-Mar 4-Mar No.37 57.03 -32.87 4-Mar 5-Mar No.38 51.50 -32.95 5-Mar 6-Mar No.39 43.06 -31.71 6-Mar 8-Mar No.40 35.41 -30.50 8-Mar 9-Mar No.41 31.05 -29.84 9-Mar 10-Mar No.42 57.87 -31.18 27-Mar 28-Mar No.43 58.38 -31.22 28-Mar 29-Mar No.44 62.16 -28.86 31-Mar 1-Apr No.45 63.46 -28.06 1-Apr 2-Apr No.46 63.76 -27.90 2-Apr 3-Apr No.47 69.65 -23.98 3-Apr 4-Apr No.48 69.62 -23.98 4-Apr 5-Apr No.49 69.62 -23.92 5-Apr 6-Apr No.50 69.59 -23.93 6-Apr 7-Apr No.51 69.60 -23.99 7-Apr 8-Apr No.52 70.22 -22.81 8-Apr 9-Apr No.53 71.86 -19.49 9-Apr 10-Apr No.54 74.21 -15.30 10-Apr 11-Apr No.55 75.82 -13.08 11-Apr 12-Apr No.56 77.27 -13.83 12-Apr 14-Apr No.57 87.02 -18.52 15-Apr 16-Apr No.58 91.73 -20.86 16-Apr 17-Apr No.59 104.31 -26.79 18-Apr 20-Apr No.60 112.49 -30.61 20-Apr 22-Apr No.61 130.24 -36.76 28-Apr 29-Apr No.62 138.51 -39.46 29-Apr 4-May No.63 168.92 -25.97 4-May 11-May No.64 176.35 -21.28 11-May 16-May No.65 177.34 -21.18 16-May 21-May No.66 178.37 -19.73 21-May 24-May No.67 178.54 -18.72 24-May 28-May No.68 175.33 -12.46 28-May 31-May No.69 167.22 -0.92 31-May 3-Jun No.70 157.17 5.87 3-Jun 6-Jun No.71 152.07 12.00 6-Jun 8-Jun No.72 152.04 17.33 8-Jun 11-Jun No.73 153.67 17.73 11-Jun 14-Jun No.74 155.20 16.78 14-Jun 17-Jun No.75 155.26 15.43 17-Jun 20-Jun No.76 156.67 12.68 23-Jun 26-Jun No.77 156.98 10.97 26-Jun 28-Jun No.78 157.86 8.14 28-Jun 1-Jul No.79 158.22 6.97 1-Jul 2-Jul No.80 159.04 12.32 3-Jul 5-Jul No.81 160.52 21.63 6-Jul 8-Jul No.82 160.60 21.72 8-Jul 10-Jul No.83 160.58 21.68 10-Jul 12-Jul No.84 160.53 21.62 12-Jul 14-Jul No.85 159.18 20.63 14-Jul 16-Jul No.86 157.61 19.84 16-Jul 18-Jul No.87 157.41 19.78 18-Jul 20-Jul No.88 157.70 19.49 20-Jul 22-Jul No.89 157.67 19.63 22-Jul 24-Jul No.90 157.49 19.62 24-Jul 26-Jul No.91 157.45 19.38 26-Jul 28-Jul No.92 152.58 17.48 28-Jul 30-Jul No.93 142.80 15.76 30-Jul 1-Aug No.94 122.24 19.84 3-Aug 5-Aug No.95 115.46 21.63 5-Aug 7-Aug Table S2: Sampling information of the studies cited in this paper for data comparison Flow Rate (m /min) Volume (m ) Sampling Time (hour) keep low (< 0.21) 281/243 for the warm/cold period 24 QFF Akyüz and H. Çabuk (2010) 1.13 4800-5200 72 QFF Caricchia, et al. 1995 1.1 for cascade impactor 1.5 for and bulk sampler --- 12 --- Crimmins, et al. 2004 ∼1.0 1215-3030 --- QFF Ding, et al., 2007 1.0 --- 24 QFF Guo, et al., 2003a 1.13–1.41 --- 24 QFF Guo, et al., 2003b 3 3 Method Literatures 0.25 180 12 QFF He and Balasubramanian, 2009 --- ∼110–190 12 GFF Jaward, et al., 2004 0.23 --- 24 GFF Li et al., 2006 0.10 --- 24 GFF Liu et al., 2007 0.86 650-700 --- GFF Nizzetto et al., 2008 --- 1700 24 TMF Panther et al., 1999 0.016 for PM2.5 0.032 for PM10 --- 23 QFF/TMF Stone et al., 2007 0.10 --- 24 GFF Wu et al., 2005 --- ~220 --- QFF Xu et al., 2012 0.00093 --- ~1.5 GFF Zhang et al., 2008 QFF: Quartz fiber filter GFF: Glass fiber filter TMF: Teflon membrane filter ---: Data was not published References: Akyüz, M., and H. Çabuk (2010), Gas–particle partitioning and seasonal variation of polycyclic aromatic hydrocarbons in the atmosphere of Zonguldak, Turkey, Sci. 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