Today's UV outlook for Ruiru
Today's forecast for Ruiru peaks at UV 9.7 around 13:00. The hourly outlook shows 9 hours at moderate or above (UV 3+), 6 hours at high or above (UV 6+), 4 hours at very high or above (UV 8+). The live reading is UV 0.0 right now.
Ruiru sits at about 1512 m elevation. Thinner air at altitude can add roughly 15% UV compared with sea level at the same latitude—cool mountain air is not a low-UV signal.
With today's peak in the very high range, unprotected skin can burn quickly around 13:00. Use the burn-time estimate below for your skin type, and prefer shade or SPF 30+ for outdoor time between late morning and mid-afternoon.
Compare with other cities in Kiambu County, or read practical planning notes in the blog .