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Pollen.lu

This component adds actual pollen count from pollen.lu mobile app to Home Assistant.

A current count is provided every 3 hours for the following grass and tree pollen:

Latin English Deutsch Français
Rumex Sorrel Ampfer Oseille
Artemisia Mugwort Beifuß Armoise
Betula Birch Birke Bouleau
Fagus Beech Buche Hêtre
Quercus Oak Eiche Chêne
Alnus Alder Erle Aulne
Fraxinus Ash Esche Frêne
Chenopodium Goosefoot Gänsefuß Chénopode
Poacea Grasses Gräser Graminées
Corylus Hazel Shrub Haselnussstrauch Noisetier
Plantago Plantain Wegerich Plantain

This component fetches data every hour from the pollen.lu API. The remote data is, as of this writing, updated every 3 hours.

If you like this component, please give it a star on github.

Installation

  1. Ensure that HACS is installed.

  2. Install Pollen.lu integration via HACS.

  3. Add Pollen.lu integration to Home Assistant:

In case you would like to install manually:

  1. Copy the folder custom_components/pollen_lu to custom_components in your Home Assistant config folder.

  2. Add Pollen.lu integration to Home Assistant:

Configuration

After adding the integration, you can configure the polling interval via the integration options.

Sensors

This integration provides one sensor per pollen type. The sensor is named according to the pollen type (latin name).

Sensor State

The sensor state represents an index of the last pollen count.

Sensor Attributes

Each sensor provides the following attributes (not including default attributes):

Attribute Example Description
level high Actual level (undetected, low, medium, high)
last_update 2024-03-29 12:00:12 When the pollen was last counted
last_poll 2024-07-03 16:10:29 When the API was last queried
next_poll 2024-07-03 17:10:29 When the API will be queried next
description Die Erle gehört ... A localized description of the plant / tree
moderate_threshold 11 Threshold from which the concentration is considered moderate
high_threshold 51 Threshold from which the concentration is considered high
entity_picture https://pollen-api.chl.lu/pictures/aulne.svg URL
friendly_name Pollen Erle Localized friendly name

The friendly name and the description are both localized to the Home Assistant system language. Available are english, german and french.

Actions

pollen_lu.force_poll

This action forces the integration to poll the Pollen.lu API immediately.

Example usage:

  1. Go to Developer Tools -> Actions.
  2. Select pollen_lu.force_poll from the dropdown.
  3. Click "Call Action" to force a poll.

Example Automation

You can create an automation to run the force_poll action, for example, every day at a specific time:

automation:
  - alias: Daily Force Poll Pollen Data
    trigger:
      platform: time
      at: '08:00:00'
    action:
      action: pollen_lu.force_poll