OMRON Asthma Diary is a free, easy-to-use, and reliable mobile app for recording your asthma symptoms, condition, and medication use. It can help you to manage and track your asthma symptoms in a more effective way.

It is designed to work with the OMRON smart air quality sensor, which can be used to measure the concentration of air quality. The sensor can measure the concentration of several pollutants, including PM2.5, PM10, and SO2.

OMRON Asthma Diary can record and track the following items:

• Your current condition and symptoms
• The use of medications and the dosage of each medication taken
• The air quality in your home, school, and office
• A history of your recent health conditions and symptoms

The app can also help you to find out the causes of your symptoms and condition.

It is very easy to use and is designed to be used by children and adults alike.