TY - JOUR A1 - Luan, T. A1 - Guo, X. A1 - Guo, L. A1 - Zhang, T. T1 - Quantifying the relationship among PM2.5 concentration, visibility and planetary boundary layer height for long–lasting haze and fog–haze mixed events in Beijing city JO - Atmos. Chem. Phys. Discuss. J1 - ACPD VL - 2017 SP - 1 EP - 39 Y1 - 2017/06/12 PB - Copernicus Publications SN - 1680-7375 UR - https://acp.copernicus.org/preprints/acp-2017-455/ L1 - https://acp.copernicus.org/preprints/acp-2017-455/acp-2017-455.pdf DO - 10.5194/acp-2017-455 ER -