| WBGT | R= isk Factor | = Activity Modifications |
| 80 - 84.9 | Low | Provide ample amounts of water. This means athletes should h= ave unlimited access to water. Risk low but still exists on basis of risk factors. Monitor athletes carefully for necessary action. |
| 85 - 87.9 | Moderate= | Provide ample amounts of water. Mandatory water breaks every 20-30 minutes for 5-10 minutes in duration. Monitor athletes carefully for necessary action. Contact sports and activities with additional equipment: Helmets and other possible equipment removed if not involved in contact. Reduce time of outside activity. Consider postponing practice to later in= the day. Re-check Heat Stress Monitor every 30 minutes for increased WBGT. |
| 88 - 89.9 | High | Provide ample amounts of water. Mandatory water breaks every 15-20 minutes for 5-10 minutes in duration. Monitor athletes carefully for necessary action. Alter uniform by removing items if possible. Allow for changes to dry t-shirts and shorts. Reduce time of outside activity as we= ll as indoor activity if air conditioning is unavailable. Consider postponing practice to later in day or suspending activity for unacclimatized individuals. Contact sports and activities with additional equipment: Hel= mets and other possible equipment removed if not involved in contact or necess= ary for safety. If necessary for safety, suspend activity. Re-check Heat Stre= ss Monitor every 30 minutes for increased WBGT. |
| >90 | Very Hig= h | Stop all outside activity in practice and/or play, and stop = all inside activity if air conditioning is unavailable. |