Question 1

What is the UV index in Chōfu right now?

Accepted Answer

The UV index in Chōfu, Tokyo is 5.4 — categorised as Moderate. A hat and SPF 30 are enough for most people.

Question 2

Is it safe to go outside in Chōfu today?

Accepted Answer

Yes — UV is moderate (5.4) in Chōfu right now. A hat and SPF 30 are enough for most people.

Question 3

How long does it take to get sunburn in Chōfu?

Accepted Answer

Average unprotected skin starts to burn in roughly 37 min at the current UV index of 5.4 in Chōfu. SPF 30 multiplies that window by about 30×. Lighter skin burns faster; darker skin burns more slowly.

Question 4

What does the heat feel like in Chōfu today?

Accepted Answer

Air temperature is 21°C with 63% humidity, giving a "feels like" reading of 21°C — comfortable.

Question 5

When is the safest time to step outside in Chōfu?

Accepted Answer

UV is highest between 11 am and 4 pm. Early mornings (before 9 am) and late afternoons (after 5 pm) are the safest windows for unprotected skin in Chōfu, especially through summer.

Hat & SPF.

Questions about Chōfu today

Hat & SPF.

Questions about Chōfu today