UV-Index-Solar Radiation-Lux Brightness-Air Quality Index for Naperville
No Cautions Required
No advisory required . Safe for all skin types though be-aware of sunlight when sun approaches low horizon,wear sunglasses.
Solar Radiation Poor
When the sun is near the horizon,overcast,obscured or darkness hours this will prevent Solar Energy replenishment.
Max: 827 W/m2
Mon 11th June 3:00
Measures the approximate human eye response to light under a variety of lighting conditions.The total amount of all the light measured is known as the “luminous flux”.