Amber heat-stress warning remained in place despite scorching temperatures.

Amber heat-stress warning remained in place despite scorching temperatures.

Pledge follows calls to adopt international measurement that places greater weight on direct sunlight and to increase monitoring stations.

Commissioner for Labour Sam Hui says thresholds could be adjusted after the heat-stress warning failed to rise during city’s hottest day on record.

The government needs to deliver on its pledge to address the shortfalls of the city’s heat stress warning system.

Parts of northern Hong Kong including Yuen Long and Ta Kwu Ling surpass 35 degrees before noon.