air pollution index

This essay evaluates the present situation of air pollution in Fuxin city in 1996-2000 using air pollution index, analyzing the present situation, varying tendency and the reasons of pollution, and pointing out the primary pollutants and the secondary pollutants.

本文采用API空气污染指数法对阜新市1996-2000年大气污染状况进行了评价，分析了污染现状、污染变化的趋势和原因，指出了首要污染物和次要污染物。

Environmental Protection Department: Air Pollution Index-Lists air pollution index readings from monitoring stations around Hong Kong.

环境保护部门: 空气污染索引 - 从在香港附近监视车站的表空气污染索引读物.

Seasonal Climate Characteristics of City Air Pollution Index in Hunan Province

湖南省城市空气污染指数演变的季节气候特征

The numbers of the days with the air pollution index attaining Grade II and better than Grade II is over 50% in 2001.

2001年全年空气污染指数Ⅱ级和好于Ⅱ级的天数达到50%以上。

Our analysis to state of dust-stormy weather in different area is in correspondence with real weather facts. The correlative analysis between sand-dust index and urban air pollution index indicated their affinity.

对上游沙区的沙尘指数与下游邻近城市空气污染指数所作的相关分析显示：二者间存在较为密切的关系。

The Application of Set Pair Analysis on City Air Pollution Index Forecasting

集对分析在城市空气污染预报中的应用研究

Study on Air Pollution Index Forecasting in Xiamen City& Comparison Between Time Series Analysis and Neural Network;

厦门市空气污染指数预测方法研究&时间序列分析与神经网络的比较（英文）

Based on the atmosphere detection data of Fuzhou urban district from year 1996 to 2001, this article evaluates the quality of urban air condition through air pollution index. Meanwhile, this article clarifies primary reasons for urban air pollution and puts forward its countermeasures for control.

本文以福州市区1996～2001年的大气监测等资料为依据，采用空气污染指数法对市区的大气环境质量进行了评价，阐明了市区大气污染的主要原因，并提出相应的防治对策。

We analyse the change of the air pollution index ( API) value as well as the number of days of different air quality according to the air quality reports released by the local environmental protection department in the corresponding period.

同期当地环境保护部门公布的空气质量报告，分析空气污染指数（API）的数值变化，出现不同空气质量的天数。

Forecast of Air Pollution Index in One City Based on the Artificial Neural Net

基于神经网络中小城市空气污染指数预估器的设计

The total number of respiratory outpatients grow with the increase of air pollution index in winter in the area.

2该地区冬季呼吸道疾病的就诊人数与空气质量有关，呼吸系统疾病门诊患者总就诊人数随着空气污染指数增加而增多。

Forecast of air pollution index based on BP neural network

基于BP网络的空气污染指数预报研究

Air pollution index ( API) was developed by USEPA in 1970s which was used for the daily air quality report and easy for the public to understand.

空气污染指数（API）是美国环保署于70年代研究开发的一种用于表示每日空气质量状况，并易于为大众理解的报告方法。

The results showed that with the main air pollution in China being coal dust, the comprehensive air pollution index of Shenyang was the highest, Dalian the lowest and Zhengzhou in the middle.

结果显示我国大气污染属煤烟型，污染的综合指数以沈阳最高，郑州次之，大连最低。

Along with the new standards, the country's existing Air Pollution Index will also be upgraded into the Air Quality Index. This will follow international practices to include ozone and carbon monoxide pollution levels as well as PM2.5.

新标准将目前我国采用的空气污染指数升级为空气质量指数，并依照国际惯例，将臭氧、一氧化碳、PM2.5都纳入评价体系。

The annual average of the air pollution index ( API) showed a decrease tendency in recent 3 years, and put forward the air pollution preventing and curing countermeasures.

空气污染指数（API）年平均值近三年间均有下降趋势，并针对空气污染提出了相应整改措施。

A new quantitative assessment method for coal environmental pollution property is defined by using the pollutants output per thermal unit and the comprehensive air pollution index.

对煤炭环境特性的单因子绩效评价法和综合污染特性指数法进行了分析和定义。

Air Pollution Index Analysis of 2002 and 2003 in Guangzhou

广州市2002~2003年空气污染指数分析

Regression analysis of air pollution index based on MODIS remote sensing and meteorological data

基于MODIS遥感和气象数据的API回归分析

This year's target for air pollution control is to raise the rate of days with air pollution index equaling or bettering grade II to 55 percent.

今年大气污染治理目标继续提高，市区空气污染指数二级和好于二级天数要达到55%。

A comparison of the mainland Chinese and international Air Pollution Index system

我国与国际空气污染指数系统的比较

Application of CAPPS in the numerical prediction operational system of multi-city air pollution index

CAPPS在国家气象中心多城市污染指数数值预报业务系统中的应用

In this study, mesoscale meteorological model, Eulerian model and air trajectory model simulation of the regional meteorological field and air pollutant transport market, combined with the key cities in 2008 Air Pollution Index ( API) information to verify the results of the simulation analysis.

本研究利用中尺度气象模式，欧拉模式和气流轨迹模式，模拟研究区域气象场及大气污染物输送场，结合2008年重点城市空气污染指数（API）资料对模拟结果进行验证分析。