上周六，北京迎来今年首个高温日，最高气温达37.2摄氏度，创下1951年以来历史同期最高值。气象专家介绍，目前的中暑指数主要参考温度、湿度和风力三项数值。新等级标准将针对男女老少不同体质进行区分预报，预计新中暑指数将在北京奥运会前推出。

High temperature records in northern Chinese cities were broken as dry, warm air mass controlled the area on Saturday.

In Nangong City of Hebei province, mercury rose to 39.3 degrees Celsius on Saturday afternoon, making it the hottest city in the country and breaking the provincial high temperature record during the same period of time.

Ten counties and cities in the central and southern part of Hebei saw temperatures rise to above 38 degrees Celsius on Saturday, including the provincial capital Shijiazhuang, where the temperature reached 38.5 degrees Celsius, the second-highest in the country.

Beijing's temperature reached 37.2 degrees Celsius, breaking the city's record in May since 1951.

The capital city is mulling a new indexed heatstroke forecast that differentiates heliosis probabilities for people of different age and sex, according to Huang Zhuo, a researcher with the national meteorological center .

The current heatstroke forecasts are based on temperature, humidity and wind force but take no account of pathology of people with varied physique.

The new heatstroke index will be added to weather forecast before the Beijing Olympics, Huang said.

Vocabulary:

warm air mass： 暖气团

national meteorological center：国家气象局

heatstroke index ：中暑指数