|
| T (K) | Impact on human body | CCO (ppm) | Impact on human body | CCO2 (ppm) | Impact on human body |
|
| 293.15–301.15 | Suitable temperature | <24 | Basically no effect | 450 | About the concentration in the air |
| 301.15–303.15 | Feeling hot and slightly uncomfortable | 50 | Allowable exposure concentration | 5000 | No symptoms within 6 h |
| 303.15–307.15 | Human sweat glands work, sweating a lot, heartbeat, and blood circulation is increased | 200 | 2-3 hours, mild forehead headache | 10000–20000 | Feel uncomfortable |
| 307.15–313.15 | Body surface fever is unbearable and internal heat is difficult to lose | 400 | 1-2 hours, headache, nausea, dizziness afterwards | 30000 | Stimulate the respiratory center and increase the number of breaths and allowable evacuation concentration |
| 313.15–338.15 | High temperature causes dizziness and dysfunction of body temperature regulation | 800 | 45 minutes, strong headache, vomiting; 2 hours, coma | 40000 | Shortness of breath, headache, rapid heartbeat and other symptoms |
| 338.15–363.15 | Tolerable temperature for a short period of time; as the temperature rises, the human center is threatened and the internal circulatory system is disordered | 3200 | 5∼10 minutes,
headache and dizziness;
30 minutes, no sensation | 50000 | Difficulty breathing |
| 363.15–393.15 | Exceeding the tolerance of the skin, inhaling into the human body will cause blisters in the respiratory trachea and bronchus, and even tissue necrosis | 6400 | Headache and dizziness within 1∼2 minutes;
10∼15 minutes, unconsciousness, life-threatening | 60000 | Shortness of breath, dyspnea |
| >393.15 | Skin burns and irrecoverable, muscle cramps, suffocation, and death prone | 12800 | Instantaneous loss of consciousness, resulting in death | 70000–100000 | Lose consciousness after several breaths
1-2 minutes, resulting in death |
|
