【摘要】 分析了2001年6月至2002年5月的微粒资料(包括粗微粒和细微粒资料),结果表明,西湖风景区环境空气中存在一定的微粒污染,与机动车尾气大量排放有关,细微粒在微粒中所占的比例变化较大,且具有比较明显的季节变化。在冬季由于局地条件、沙尘暴影响,空气质量较差。春节期间烟花爆竹大量燃放对空气质量的影响很大。更多还原

【Abstract】 The paper analyzed particulate data from June2001 to may2002, the results show that particulate pollutation being in environmental air of beauty spot West Lake, it relation with vehicles emission, the rate of PM25 in PM10 variety higher and obvious change in seasons The air quality bad due to locate conditions and affect by duststorm Air quality obviously affect by fireworks and firecrackers更多还原