A union representing Channel Island workers says it supports the introduction of maximum temperature limits in workplaces to protect staff, as the islands experience their third heatwave of 2026. There is no law in Guernsey, Jersey or the UK that says a given temperature is too hot to work, although each place refers to guidance from the UK's Health and Safety Executive. Temperatures were forecast by Jersey Met to reach up to 34°C, a fortnight after Jersey experienced its hottest day on record at 39.3°C. Unions are calling for stronger protections, risk assessments and practical measures such as ventilation, drinking water, breaks, fans and air-conditioning.