空气质量监测

空气质量监测接口返回示例
接口信息
URL：http://apis.haoservice.com/air/cityair
支持格式：json
http请求方式：GET POST
DEMO：http://apis.haoservice.com/air/cityair?city=城市名称&key=您申请的APPKEY值
返回结果:
{
    "error_code": 0,
    "reason": "成功",
    "result": {
        "Ranking": 83,
        "CityName": "深圳市",
        "ProvinceName": "广东省",
        "AQI": 58,
        "Quality": "良",
        "PM25": "36μg/m³",
        "UpdateTime": "2014-04-27 21:00"
    }
}

演示示例代码:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Net.Security;
using System.Security.Cryptography.X509Certificates;
using System.Net;
using System.IO;
using System.IO.Compression;
using System.Text.RegularExpressions;
using System.Web.Script.Serialization;
namespace map
{
    class Program
    {
        static void Main(string[] args)
        {
            string key = "*******************************";
            string city="北京";
            string url = "http://apis.haoservice.com/air/cityair?city="+city+"&key="+key;
            WebClient wc = new WebClient();
            wc.Encoding = Encoding.UTF8;
            string str = wc.DownloadString(url);
            Console.WriteLine(str);
            Console.ReadKey();

        }
    }
}