This app displays air quality forecasts for PM2.5 and yellow dust, presented in a weather forecast style by prefecture. It also provides real-time data from the Ministry of the Environment's "Soramame-kun" system. Visual indicators show air quality levels from clean to alert.
1.13.1
March 28, 2026
軽微な修正を行いました。
The air quality forecast app displays predictions for PM2.5 and yellow dust, similar to a weather forecast, broken down by prefecture. It also offers real-time data from the Ministry of the Environment's Soramame-kun system.
The app uses four levels: 'Few' (light blue) for clean air, 'Slightly Many' (green) for slightly hazy conditions, 'Many' (orange) for levels around the environmental standard, and 'Very Many' (red) for alert levels.
Yes, this app contains advertisements. It is provided free of charge, supported by ads.
The app is available for iPhone and iPod devices. It is compatible with iOS devices.
The app was last updated on March 28, 2026, with version 1.13.1. It was originally released on April 17, 2013.
The app utilizes predictions from Kyushu University's Research Institute for Applied Mechanics (SPRINTARS) for PM2.5 and yellow dust. It also incorporates real-time data from the Ministry of the Environment's 'Soramame-kun' system.
The app has an age rating of 4+, making it suitable for young users. It provides environmental information that can be educational.
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