Poland's starup ecosystem
Airly have developed an air quality monitoring solution with a variety of applications, it is already in use by amateur runners to determine if there is high pollution levels in the areas they propose to run, and in healthcare.
FindAir have developed a simple but effective solution to assist asthma sufferers manage their condition
Skriware have developed an Edtech solution for school children to assist in developing STEAM (Science, Technology, Engineering, Arts & Mathematics) skills based upon their bespoke 3D printer, courseware and a library of models that can be used to build solutions.
StethoMe have developed a wireless electronic stethoscope with an AI powered backend analytics platform.
If you are interested in any of these topics i strongly recommend you look them up.