Danish Meteorological Institutes

Danish Meteorological Institutes Met Obs API

Raw weather observations from Danish and Greenlandic stations.

Documentation GitHub OpenAPI

Operations 2

GET /metObs/collections/observation/items List meteorological observations #

GET /metObs/collections/station/items List meteorological stations #

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OpenAPI Specification

openapi: 3.2.0
info:
  title: DMI Open Data Met Obs API
  description: The Danish Meteorological Institute (DMI) Open Data API provides public access to weather observations, climate data, ocean observations, and lightning data through OGC API - Features compatible collections. Subscriptions and API keys are managed per data service.
  version: '2.0'
  contact:
    name: Danish Meteorological Institute
    url: https://opendatadocs.dmi.govcloud.dk/
  license:
    name: Creative Commons Attribution 4.0
    url: https://creativecommons.org/licenses/by/4.0/
servers:
- url: https://opendataapi.dmi.dk/v2
  description: DMI Open Data API v2 (current)
- url: https://dmigw.govcloud.dk/v2
  description: DMI Open Data API v2 (legacy, retiring 2026-06-30)
tags:
- name: metObs
  description: Raw weather observations from Danish and Greenlandic stations.
paths:
  /metObs/collections/observation/items:
    get:
      operationId: listMetObservations
      summary: List meteorological observations
      description: Returns raw weather observations such as temperature, wind speed, humidity, pressure, and precipitation from DMI weather stations.
      tags:
      - metObs
      parameters:
      - name: stationId
        in: query
        description: DMI station identifier.
        schema:
          type: string
      - name: parameterId
        in: query
        description: Observation parameter (e.g., temp_dry, wind_speed).
        schema:
          type: string
      - name: datetime
        in: query
        description: ISO-8601 datetime range, e.g. 2024-01-01T00:00:00Z/..
        schema:
          type: string
      - name: bbox
        in: query
        description: Bounding box minLon,minLat,maxLon,maxLat.
        schema:
          type: string
      - name: limit
        in: query
        schema:
          type: integer
          default: 1000
      responses:
        '200':
          description: Feature collection of observations
          content:
            application/geo+json:
              schema:
                $ref: '#/components/schemas/FeatureCollection'
      security:
      - apiKey: []
  /metObs/collections/station/items:
    get:
      operationId: listMetStations
      summary: List meteorological stations
      description: Lists DMI weather stations and their metadata.
      tags:
      - metObs
      parameters:
      - name: bbox
        in: query
        schema:
          type: string
      - name: limit
        in: query
        schema:
          type: integer
          default: 1000
      responses:
        '200':
          description: Feature collection of stations
          content:
            application/geo+json:
              schema:
                $ref: '#/components/schemas/FeatureCollection'
      security:
      - apiKey: []
components:
  schemas:
    Feature:
      type: object
      required:
      - type
      - geometry
      - properties
      properties:
        type:
          type: string
          enum:
          - Feature
        id:
          type: string
        geometry:
          type: object
          properties:
            type:
              type: string
            coordinates:
              type: array
              items: {}
        properties:
          type: object
          additionalProperties: true
    FeatureCollection:
      type: object
      required:
      - type
      - features
      properties:
        type:
          type: string
          enum:
          - FeatureCollection
        features:
          type: array
          items:
            $ref: '#/components/schemas/Feature'
        numberReturned:
          type: integer
        numberMatched:
          type: integer
  securitySchemes:
    apiKey:
      type: apiKey
      in: query
      name: api-key
      description: Per-service API key issued by the DMI Open Data portal.

Danish Meteorological Institutes Met Obs API

Operations 2

Documentation

Specifications

Schemas & Data

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