Monitor the PSI readings of Singapore's air quality on this small, easy-to-use app! This app shows the current PSI reading collected by the NEA, as a gauge. Features: Choose between AQI PM2. 5 or NEA 1-hour PM2. 5 standards. Automatic update and notification of change in PSI level, every hour. Customizable notification of PSI level, sound and vibrate settings.
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