Air Quality Checker(PM10/PM25/O3) is an Android app developed by YEAHH, available for free in the Lifestyle category. This app is a great tool for anyone concerned about air quality and air pollution. With this app, you can check the air quality immediately in any city. It offers various features such as showing air quality information from your nearest monitoring station and displaying air quality and wind on the map.

The app provides air pollution data, including particulate matter (PM10, PM25), ozone, carbon monoxide, sulphur dioxide, and nitrogen dioxide. The app also offers smart air quality notifications to receive pollution alerts in the next update. Currently, the app is available for regions such as China, India, Vietnam, Korea, Malaysia, Singapore, Japan, the USA, Canada, the UK, Australia, Mexico, Brazil, France, Hong Kong, Thailand, Indonesia, Chile, Taipei, Ho Chi Minh City, Hanoi, Mexico City, London, and more.

In addition, the app offers an accurate Korean weather forecast. The app's user interface is simple and easy to use. Air Quality Checker(PM10/PM25/O3) is a great app for anyone who wants to stay informed about air quality and pollution levels in their city.