The AHLU Risk Level Key illustrates the relationship between the AHLU and the level of risk.
| AHLU | Heat Load Indicator | Cattle Indications |
|---|---|---|
| 0 | Negligible | No load |
| 1-20 | Low Risk | No load or panting score 1 |
| 21-50 | Medium Risk | Panting score 1-2 |
| 51-100 | High Risk | Panting score 2-4 |
| >100 | Extreme Risk | Panting score 4 |