uvlevel.net

UV index in Istanbul

Turkey · 41.01, 28.98

No forecast service was reachable when this page was generated. The numbers below are computed from solar elevation and altitude alone. The shape of the day is right, but treat every figure here as approximate.
Today's peak12:00 local
9.2

Today's peak is very high. Skin damage happens fast: roughly 18 min before burning at the worst hour. Avoid direct sun entirely inside the danger window below.

Danger window today (UV 3+)
07:46 → 16:46
Sunrise → sunset
06:00 → 18:00
Open the live dashboard for Istanbul →

About the UV index in Istanbul

Istanbul sits at 41.0° N, in the northern hemisphere. Today's UV peaks at 9.2: the "very high" band, which uvlevel.net treats as serious danger for unprotected skin at the worst hour.

Istanbul sees the widest UV swing of the year of any latitude band: a sharp summer peak around June and July, and a winter trough around December and January where midday UV can sit near zero for weeks at a time.

Hour by hour today

UV index for every hour of today in Istanbul, 41.01, 28.98, local time.
Local timeUV indexRisk
00:000No danger
01:000No danger
02:000No danger
03:000No danger
04:000No danger
05:000No danger
06:000.4No danger
07:001.6No danger
08:003.4Caution
09:005.5Caution
10:007.4Danger
11:008.8Serious danger
12:009.2Serious danger
13:008.8Serious danger
14:008.2Serious danger
15:006.6Danger
16:004.5Caution
17:002.6No danger
18:001.1No danger
19:000.3No danger
20:000No danger
21:000No danger
22:000No danger
23:000No danger
Time to burn without sunscreen, per Fitzpatrick skin type, at today's peak of UV 9.2 in Istanbul. Real-world sunscreen use is about a third of the tested layer, so a treated time is a ceiling, not a promise.
Skin typeTime to burn
I · always burns, never tans14 min
II · burns easily18 min
III · burns sometimes25 min
IV · rarely burns33 min
V · brown skin43 min
VI · deeply pigmented1 h 12 min

Next 7 days · daily peak

Today
07:46–16:46
9.2
Mon 3
07:46–16:37
9.2
Tue 4
07:46–16:41
9.2
Wed 5
07:49–16:41
9.1
Thu 6
07:50–16:38
9.1
Fri 7
07:50–16:10
9
Sat 8
07:52–16:07
9

Frequently asked

Is the UV index dangerous in Istanbul today?

Yes. UV in Istanbul is forecast to reach 3 or higher from 07:46 to 16:46 local time today, peaking at 9.2 (estimated from solar position, live forecast data was unavailable).

What time is UV highest in Istanbul?

UV is highest in Istanbul at around 12:00 local time today, reaching 9.2 (estimated from solar position, live forecast data was unavailable).

How long can unprotected skin stay out in Istanbul today?

At today's peak of 9.2, fair skin (Fitzpatrick type II) with no sunscreen burns in about 18 min (estimated from solar position, live forecast data was unavailable). Darker skin types take longer. See the table above for every type.

Does the UV index in Istanbul change with the seasons?

Istanbul sees the widest UV swing of the year of any latitude band: a sharp summer peak around June and July, and a winter trough around December and January where midday UV can sit near zero for weeks at a time.

Nearby cities

Browse all cities →How the forecast works →

Forecasts and elevation from Open-Meteo. The second UV opinion contains modified Copernicus Atmosphere Monitoring Service (CAMS) information; neither the European Commission nor ECMWF is responsible for how it is used here.

uvlevel.net gives general sun-safety guidance, not medical advice. Photosensitising medication, skin conditions, infants and a history of skin cancer all call for stricter limits than shown here.