Stay inside when the air pollutionindex reaches very high levels
hant.ask.helplib.com
结果该地区土壤的各种污染物的污染指数均小于1,污染水平低于国家标准。
Results The results indicated that the pollutionindex of all sorts of pollutant in the soil was less than 1.0 and was lower than that of the national standard.
www.chemyq.com
经对此方法的运用,并与均值污染指数法进行比较,评价结果较满意.
The assessment results are satisfactory through using this method and comparing with mean value pollutionindex.
zhidao.baidu.com
这座城市的沙尘和微粒污染指数达到300以上,这意味着人们必须待在家里。
Desert dust and particulate matter in the city had been known to force the pollutionindex into warning territory, above 300, which means people should stay indoors.
Comparative analysis of air quality indexes between the year of 2006 and 2007 of Tieling is conducted including air quality comprehensive pollutionindex and PM10 and SO2 and NO2 and fall dust.