Investigation on the Current Status of VOCs in the Atmospheric Environment of Shaoguan City
A one-year observation was conducted at five national automatic air monitoring stations in Shaoguan city.The US Environmental Protection Agency's T015 method was used to qualitatively and quantitatively analyze 55 ozone precursors(NMHCs)and 62 toxic volatile organic compounds(Toxic VOCs).The composition characteristics and spatiotemporal distribution patterns of atmospheric VOCs in the region were systematically studied.As a result,it was found that the VOCs concentration in the downwind area showed a clear spatial variation pattern in summer and autumn,and the VOCs pollution in this area was the most severe in autumn,mainly consisting of oxygen-containing organic compounds.
Shaoguan urban areaatmospherevolatile organic compoundsspatiotemporal distribution