Ozone ousts PM2.5 to become top air pollutant
Print Edition
Ozone overtook PM2.5 to become the main air pollutant in China in July, and may remain so until the end of October, according to a report released yesterday.
China sees a regular pattern in terms of the regional and seasonal distribution of ozone 鈥 the density is higher in southern cities, while across the country ozone levels are higher in summer than winter, according to the report in yesterday鈥檚 Economic Information Daily, which cited Meng Xiaoyan, an engineer with the China National Environmental Monitoring Center.
As well as being harder to detect than PM2.5, ozone is more harmful, and has been linked to respiratory, eye and immune issues. Crops can also be affected.
According to the China Meteorological Administration, man-made ozone pollution comes from volatile organic pollutants and nitrogen oxide.
Despite the dangers, prevention and control efforts face a number of difficulties.
Wang Yuesi, an environmental protection expert, said detection methods in China are underdeveloped, and support measures and standards are lacking. In addition, the combined effects of ozone and PM2.5 have made things even more difficult.
Xiao Yu, a researcher at the Chinese Academy of Sciences, is one of many experts to call for more attention to be paid to the control and prevention of ozone pollution.
It has been suggested that regional prevention and control mechanisms be rolled out in areas where ozone pollution is particularly severe, such as north China, and the Yangtze and Pearl river delta areas.
- About Us
- |
- Terms of Use
- |
-
RSS - |
- Privacy Policy
- |
- Contact Us
- |
- Shanghai Call Center: 962288
- |
- Tip-off hotline: 52920043
- 娌狪CP璇侊細娌狪CP澶05050403鍙-1
- |
- 浜掕仈缃戞柊闂讳俊鎭湇鍔¤鍙瘉锛31120180004
- |
- 缃戠粶瑙嗗惉璁稿彲璇侊細0909346
- |
- 骞挎挱鐢佃鑺傜洰鍒朵綔璁稿彲璇侊細娌瓧绗354鍙
- |
- 澧炲肩數淇′笟鍔＄粡钀ヨ鍙瘉锛氭勃B2-20120012
Copyright 漏 1999- Shanghai Daily. All rights reserved.Preferably viewed with Internet Explorer 8 or newer browsers.
