上海市城区空气质量现状与分析——兼论对空气质量日(周)报数据的利用

Analysis and Status Quo of Air Quality in the Urban Area of Shanghai--Utilization of Data from Daily (Weekly) Report of Air Quality

利用《中国重点城市空气质量日报》和《上海市空气质量周报》的数据分析了上海市城区空气质量状况并与中国其他大城市进行比较,结果表明:①上海市城区空气质量现状良好,在中国大城市中处于中等偏上水平;首要污染物为可吸入颗粒物;空气质量每年6～10月较好,11月至次年1月较差;4年来在逐渐好转.②中国沿海地区城市空气质量普遍优于北部内陆城市.③空气质量日(周)报是研究城区大气污染的有效数据源.

The air quality of urban area in Shanghai was analyzed according to Daily Report of Air Quality of Chinese Key Cities and Weekly Report of Air Quality of Shanghai, then compared with that of other Chinese big cities. The results show that: 1) urban air quality of Shanghai was good and better than most big cities in China. The major pollutant was PM10. Air quality was better from Jun to Oct than that from Nov to next Jan. In recent 4 years the air quality was highly improved. 2) Air quality of coastal cities was better than that in northern inland. 3) Daily (Weekly) Air Quality Report is an effective data source for studying urban air pollution.