Query Environmental Indicators

Last Updated on : 2023-06-21 07:13:06

According to the node under the asset or custom dimension, query the statistical data of environmental indicators over a period of time, including temperature, humidity, CO2, and formaldehyde.

API address

GET: /v1.1/iot-03/environment-indicators/statistics

Request parameter

Parameter name	Type	IN	Required	Description
indicator_codes	String	query	true	The indicators. You can query up to 10 indicators each time.
dimension_code	String	query	true	The dimension type.
node_ids	String	query	true	The node under the specified dimension. You can query up to 20 nodes each time.
statistics_type	String	query	false	The statistics type. Default value: `hour`. `hour`: by hour. `day`: by day. `month`: by month.
statistics_function	String	query	false	The statistical function. Default value: `AVG`. `AVG`: the average value. `MIN`: the minimum value. `MAX`: the maximum value.
start_time	String	query	true	The start time. The format is linked with `statistics_type`. When `statistics_type` is `hour`, it is `yyyyMMddHH`. When `statistics_type` is `day`, it is `yyyyMMdd`. When `statistics_type` is `month`, it is `yyyyMM`.
end_time	String	query	true	The end time. The format is linked with `statistics_type`. When `statistics_type` is `hour`, it is `yyyyMMddHH`. When `statistics_type` is `day`, it is `yyyyMMdd`. When `statistics_type` is `month`, it is `yyyyMM`.

Return parameter

Parameter name	Type	Description
result	EnvironmentIndicatorRes	The returned result.

Description of result

Parameter name	Type	Description
indicators	List	The data of a specified indicator.

Description of indicators

Parameter name	Type	Description
code	String	The code of a specified indicator.
unit	String	The unit of the indicator values.
data_items	List	The time trend of the data.

Description of data_items

Parameter name	Type	Description
value	String	The code of a specified indicator.
time	String	The time.

Request example

GET: GET /v1.1/iot-03/environment-indicators/statistics?indicators=air_quality_value,voc_value,pm25_value

Return example

{
    "result": {
        "indicators": [
            {
                "code": "humidity_value",
                "unit": "%",
                "data_items": [
                    {
                        "time": "2021090116",
                        "value": "5.30"
                    }
                ]
            },
            {
                "code": "temperature_value",
                "unit": "℃",
                "data_items": [
                    {
                        "time": "2021090116",
                        "value": "26.60"
                    }
                ]
            }
        ]
    },
    "t": 1630586260147,
    "success": true
}

Error code

For more information, see error code.

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