SG Air Quality PSI is a free Android app developed by Wee Jim. It provides the latest updates on Singapore's air quality, also known as the PSI level. The app is designed to keep users informed and prepared for any potential health risks associated with the air quality in their area.

The app features a summary page that shows the PSI reading across Singapore, including North, South, East, West, and Central regions. The PSI readings are updated regularly, ensuring that users have access to the latest information. Additionally, the app includes an embedded NEA Twitter update page, allowing users to stay up-to-date with the latest news and announcements from the National Environment Agency. The app also includes the latest haze news, keeping users informed about any potential hazards and risks associated with the air quality in their area.

Overall, SG Air Quality PSI is a useful app for anyone living in Singapore who wants to stay informed about the air quality in their area. The app is easy to use and provides accurate, up-to-date information that can help users make informed decisions about their health and wellbeing.