Table 1.

Air quality monitoring parameters

Component	Low concentration (μg/m3 )	High concentration (μg/m3 )
particle	81.800	173.800
Al	2.050	2.160
Ca	7.800	13.600
Fe	1.510	1.820
Mg	4.800	5.600
Na	3.800	4.400
As	0.009	0.0230
Zn	0.270	3.130
Cu	0.0460	0.160
Cd	0.003	0.0230
Pb	0.093	0.350
PAH(4)	0.072	0.2010
PAH(5,6)	0.082	0.2920