The Influence of Climate Factors, Meteorological Conditions, and Boundary-Layer Structure on Severe Haze Pollution in the Beijing-Tianjin-Hebei Region during January 2013

Table 1

Locations of air quality sites over the BTH region.

Station name	Station type	Latitude (°N)	Longitude (°E)	Altitude (m)
Beijing Tower (BJT)	Megacity	116.37	39.97	44
Shuangqing Lu (SQL)	Megacity	116.33	39.99	45
Tianjin (TJ)	Megacity	117.21	39.08	20
Shijiazhuang (SJZ)	Megacity	114.53	38.03	70
Xianghe (XH)	Suburban	116.96	39.75	9
Yucheng (YC)	Country	116.37	36.67	37
Xinglong (XL)	Regional background	117.58	40.39	960