There might be some info on the github and the older releases.
Hi.
If you’re looking for a way to track pollen, my integration might be just what you need. I built this integration primarily for myself, and it creates a sensor for the general evaluation of pollen levels—the SILAM Pollen Index (Very Low, Low, Moderate, High, Very High)—along with separate sensors for each pollen type. The sensors display the modeled number of pollen grains per cubic meter, with data pulled from the SILAM Pollen website.
You can find more details in this post: SILAM Pollen Allergy Sensor Integration for HA and on the GitHub repository.
have a look at this integration
Scroll up a few posts and you will find the url
please share the url in pm 
Today I released version 1.1.0 of the integration and the most noticeable change is that it now uses AN open API to fetch the data. No more need to find the secret url!
It will however most certainly break your current integration when updating. So I recommend to remove the old version before installing 1.1.0
Some entities has changed name and you now have the option during setup to show either names states (default) or numeric state.
Enjoy and let me know if there’s any issues.
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