Important note for our IMMI customers

IMMI, the software for noise mapping and air pollution modelling, now has its own website. There you will also find your customer login. Please use the link at the end of the page and switch to our new login area at

There you will also find software downloads, descriptions, documentation and a lot more, which facilitates your daily work with IMMI.

Your user data remains unchanged.

The IMMI customer area on the Wölfel Group page was closed on 31.5.2017.

Please contact me personally


I will be happy to answer your questions about your personal login and the Wölfel customer area.

Brigitte Deckert
Wölfel Engineering

+49 931 49708-500
Contact form