What is the UV index in Qatar?
What is the highest safe UV index?
0 to 2: Low. A UV Index reading of 0 to 2 means low danger from the sun's UV rays for the average person. ... 

3 to 5: Moderate. A UV Index reading of 3 to 5 means moderate risk of harm from unprotected sun exposure. ... 
6 to 7: High. ... 
8 to 10: Very High. ... 
11 or more: Extreme.