cjl
2023-07-04 2c8b914f70a8b2425d3ede5941bce1cabe9c2931
1
2
3
4
5
6
7
8
{
  "a34004": "PM2_5",
  "a34002": "PM10",
  "a05024": "O3",
  "a21004": "NO2",
  "a21005": "CO",
  "a21026": "SO2"
}