New on the App Store & Google Play
Rhyy for iPhone, Apple Watch and AndroidWith widgets and a quick glance at temperature, level and status.AppleAndroid
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UV index
UV –
UV
Currently unavailable
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Forecast, can vary locally.
Water qualityNo current readings
No current online readings are available.
When should you stay out?If there is an official warning or bathing ban, unusual smell, colour, foam, dead fish, or after heavy rain. These online readings do not detect germs.
Weil monitoring station; O₂, pH and conductivity every 15 minutes, turbidity hourly; unverified raw data; not official bathing-water limits
Both modes use water-quality data from the existing Weil monitoring station.
Lab and further monitoring
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Guidance, not clearance
Rhyy shows you what conditions look like right now. The river still decides for itself: check the situation on site and only go in when it truly fits you.SLRG Basel Rhine swim