UV Index: Japan

Get more information on this area

Observational data    Sapporo (Hokkaido)  Tsukuba (Kanto)  Naha (Okinawa)

Forecast:UV Index for forecasted cloudiness
Forecast(Clear Sky):UV Index for clear sky condition
Estimate:estimated UV Index based on today's or yesterday's weather

• Archive of estimated data: daily maximum UV Index chart[in japanese]
• WHO Solar UV Index A Practical Guide[.pdf]