The barometer is an essential tool for everyone. You can use it for a number of things. To make sure that the air is good, you can use it to check the pressure. You can also use it to check the temperature and moisture in the air.

When you start the application, you will be given the option of choosing your preferred unit of measurements, such as hPa, mmHg, and more. 

The application will then give you the pressure in hPa or any other unit for the last 24 hours. You can then choose to look at the pressure for the last 24 hours. The application will also give you a forecast of the weather.