Chattanooga — UV index
UV index
0.0
Low
Sunrise / sunset
08:00 / 18:48
Hourly today
0.0
05:00
0.0
06:00
0.0
07:00
0.0
08:00
0.2
09:00
1.2
10:00
2.5
11:00
3.7
12:00
4.5
13:00
4.8
14:00
4.2
15:00
3.2
16:00
2.0
17:00
0.9
18:00
0.1
19:00
0.0
20:00
0.0
21:00
Coming days
Today
4.8
Tomorrow
3.9
Sunday
1.3
Monday
2.0
Tuesday
4.2
Wednesday
0.8
Thursday
2.2
UV scale
≤3
Low
No extra protection.
≤6
Moderate
A hat and SPF 30 if you stay out for long.
≤8
High
Shade at midday, SPF 30–50.
≤11
Very high
SPF 50 and covered clothing.
11+
Extreme
Avoid direct sun.