Solar Radiation Poor When the sun is near the horizon,overcast,obscured or darkness hours this will prevent Solar Energy replenishment.
Guide 0-50 = Good Air quality is considered satisfactory 50-100 = Moderate Air quality is acceptable 100-150 = Unhealthy for Sensitive Groups 150-200 = Unhealthy Everyone may begin to experience health effects 200-300 = Very Unhealthy Health warnings of emergency conditions. 300+ = Hazardous Health alert !
Guide Solar Energy delivered by the sun is both intermittent and varies during the day also with the seasons.The value can be used has a good relative indicator
of solar replenishment for recharching solar panels and solar powered devices.