Low 30-37

• Post heat stress alerts
• Drink Water

Medium 38-38

• Reduce physical activity (slower pace/more breaks)
• Drink a cup of water every 20-30 minutes

 Moderate 40-41

• Further reduce physical activity
• Drink a cup of water every 15-20 minutes

High 42-44

• Severely curtail physical activity
• Ensure sufficient rest/recovery time
• Drink a cup of water every 10-15 minutes

Extreme 45+

• Hazardous to continue physical activity