cjl
2023-10-19 74c912b06445d5ba78c33810030dd22a018051df
1
2
3
4
5
6
7
8
{
  "a34004": "PM2_5",
  "a34002": "PM10",
  "a05024": "O3",
  "a21004": "NO2",
  "a21005": "CO",
  "a21026": "SO2"
}