Pollution Level, Sources, and Lung Cancer Risk of PM₁₀-Bound Polycyclic Aromatic Hydrocarbons (PAHs) in Summer in Nanjing, China

Table 2

Comparisons of PAHs concentrations (ng/m³) in PM₁₀ among Nanjing and other regions.

Region	Sampling time	PM fractions	Concentrations of PAHs (ng/m^3)		Amount of PAHs	References
Nanjing, China	Summer, 2015	PM10	7.49	1.21	16	This study
Beijing, China	Summer, 2006	PM10	60.05	—	18	[18]
Shijiazhuang, China	Summer, 2013	PM10	26.9	—	14	[19]
Chengdu, China	Summer, 2012	PM10	64.21	9.54	16	[10]
Taiyuan, China	Summer and autumn, 2009-2010	PM10	63.8	13.79	16	[20]
Guangzhou, China	Summer, 2002	PM10	26.01	—	16	[21]
Shanghai, China	Years 2011-2012	PM10	36.9	5.4	16	[22]
Malaysia	Years 2013-2014	PM2.5	2.79	0.57	16	[23]
Eastern Germany	Summer, 2006	PM10	3.21	—	12	[24]
Veneto, Italy	Summer, 2011	PM10	0.2	—	8	[25]
Kathmandu Valley, Nepal	Years 2013-2014	TSP	155	26.2	15	[26]
Ulsan, Korea	Summer, 2011	PM10	21.9 ± 6.6	5.53	16	[27]
Kumasi, Ghana	Summer, 2011	PM10	3.0 ± 3.5	0.30	16	[28]
			25 ± 7.9	5.30

PS: pristine site; CC: city center.