supported by the Tianjin Fundamental Research Program of the Tianjin Committee of Science and Technology (Grant No. 10JCYBJC050800);the National Special Science and Technology Program for Non-Profit Industry of the Ministry of Environmental Protection (Grant No. 200909022);the 973 Program (Grant No. 2011CB403402);the National Natural Science Foundation of China (NSFC) (Grant No. 40875001);the Basic Research Fund of the Chinese Academy of Meteorological Sciences (Grant No. 2008Z011)
Tianjin is the third largest megacity and the fastest growth area in China,and consequently faces the problems of surface ozone and haze episodes.This study measures and characterizes volatile organic compounds (VOCs...