HomeAssistant-DMIPollen

The unofficial DMI API does not seem to be updated anymore (Last sample 2023.11.19). So this custom component is not getting any data right now.

Looking at pulling data from https://www.astma-allergi.dk/umbraco/Api/PollenApi/GetPollenFeed instead, but my time is limited, so if anyone have some spare time, feel free to give it a shot.

Home Assistant Custom Component showing pollen data from dmi.dk (Danmarks Meteorologiske Institut) by use of the REST response from: https://www.dmi.dk/dmidk_byvejrWS/rest/texts/forecast/pollen/Danmark/

See more screenshots in the image folder

Installation

Manual Installation

Copy dmipollen folder into the custom_components folder of your home assistant configuration directory.
Restart Home Assistant.
Configure the dmipollen sensor in configuration.yaml as explained futher down.
Restart Home Assistant.

Installation via HACS (Home Assistant Community Store)

Ensure that HACS is installed.
Open HACS and add https://github.com/ChristofferG/homeassistant-dmipollen as a Custom repository, and choose Integration.
Click DMI Pollen and click "Install this repository in HACS".
Restart Home Assistant.
Configure the dmipollen sensor in configuration.yaml as explained futher down.
Restart Home Assistant.

Configuration

dmipollen can for now only be configured via configuration.yaml. Working on a Config flow.

# Example configuration.yaml entry

sensor:
  - platform: dmipollen
    region: viborg 
    scan_interval: 3600
    resources:
      - birk
      - bynke
      - el
      - elm
      - græs
      - hassel
      - alternaria
      - cladosporium
      - forecast
      - polleninfo
      - lastupdate

CONFIGURATION PARAMETERS

Parameter	Optional	Description
`region`	No	Measurement spot. `københavn`, `viborg` or `all` is available. `all` will include both København and Viborg.
`scan_interval`	Yes	How offent the component will poll dmi.dk. The data on dmi.dk is only updated once a day, typical in the afternoon. The default value of the scan_interval is 3600sec (1hour)

CONFIGURATION RESOURCES

Resources	Optional	Description
`birk`	Yes	Return state of `birk`
`bynke`	Yes	Return state of `bynke`
`el`	Yes	Return state of `el`
`elm`	Yes	Return state of `elm`
`græs`	Yes	Return state of `græs`
`hassel`	Yes	Return state of `hassel`
`alternaria`	Yes	Return state of `alternaria` (Measurement only available from København)
`cladosporium`	Yes	Return state of `cladosporium` (Measurement only available from København)
`forecast`	Yes	Return tomorrows pollen forecast as a danish text string. E.g 'For i morgen, onsdag d. 1. juli 2020, ventes et moderat antal græspollen (mellem 10-50)'
`polleninfo`	Yes	Return information string about how the pollen is measured.
`lastupdate`	Yes	Return the last update timestamp as a string in the format: 'tirsdag den 30. juni 2020'

States and attributes

Each selected recource will create a sensor the naming syntax:

E.g. sensor.pollen_viborg_birk and a coreponding friendly name Pollen Viborg Birk

The unit of the pollen data is ppcm - Part Per Cubic Meter

Each sensor will have the attributes last_update timestamp and attribution with information about where the data comes from.

Future

As dmi.dk is working on providing free data, the source of the pollen data will properly change during the next years. See https://confluence.govcloud.dk/display/FDAPI
Add config flow
Add as HACS original

ChristofferG / homeassistant-dmipollen

readme