预测指数 meaning in Chinese

predictive index

Starting from today , forecast of maximum uv index for the next day will be provided at 5 : 00 p . m . every day . when the uv index is expected to be 11 corresponding to an extreme uv level or above , the public will be reminded of the need to take protective measures , such as avoiding prolonged exposure under the sun
今天开始，每天下午五时提供翌日的最高紫外线指数预测，当预测指数是11相当于极高的曝晒级数或以上时，更会提醒市民采取防晒措施，如避免长时间在户外曝晒等。