UV Index: A measure of the strength of sun's ultraviolet radiation. The higher the number, the faster skin damage occurs.
0-2 (Low): No danger. 3-5 (Moderate): Use protective measures. 6-7 (High): Use protective measures and limit time outdoors. 8-10 (Very High): Maximum protection is necessary. Avoid being outdoors during midday. 11+ (Extreme): Maximum protection is necessary. Avoid being outdoors during midday.
0-50 (Good): The air is ideally clean. 51-100 (Fair): The quality is acceptable... 101-150 (Poor): Harmful to sensitive groups. 151-200 (Very Poor): The air is polluted 200+ (Extreme): The air is extremely polluted.
