Grafana dashboard: PM 2.5
Description: Air Quality PM 2.5


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              },
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          },
          "unit": "ppm"
        },
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          "tags": [
            {
              "key": "node",
              "operator": "=",
              "value": "esp8266-8192504"
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  "title": "PM 2.5",
  "uid": "hWj4XoZgk",
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  "gnetId": 15422,
  "description": "Air Quality PM 2.5"
}