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Carbon monoxide levels in the air
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| Carbon monoxide Parts Per Million (PPM) |
Time | Symptoms |
| 0.2 PPM | - | Natural carbon monoxide levels in the air |
| 35 PPM | 8 hours | Maximum exposure of carbon monoxide levels allowed by OSHA in the workplace over an 8 hour period |
| 200 PPM | 2 to 3 hours | Mild headache, fatigue, nausea dizziness |
| 400 PPM | 1 to 2 hours | Serious carbon monoxide headache, other
symptoms intensify Continued exposure: Life threatening after 3 hours |
| 800 PPM | 45 minutes |
Dizziness, nausea, convulsions |
| 1,600 PPM | 20 minutes | Headache, dizziness, nausea Continued exposure: Death within 1 hour |
| 3,200 PPM | 5 to 10 minutes | Headache, dizziness, nausea Continued exposure: Death within 1 hour |
| 6,400 PPM | 1 to 2 minutes | Headache, dizziness, nausea Continued exposure: Death within 25 to 30 minutes |
| 12,800 PPM | 1 to 3 minutes | Death |
Carbon monoxide levels can vary widely within an enclosed or semi-enclosed area such as a bedroom, office, garage, work shop, etc.
Carbon monoxide levels can also fluctuate enormously over a short period of time as conditions change. For example when a door is opened, a window is closed, a furnace turns on, or air flows due to breeze.
Carbon monoxide poisoning symptoms vary widely from person to person.
A person with relatively low carbon monoxide levels and mild symptoms can actually be seriously poisoned. Many factors play a role in the severity of symptoms while in the body, short term symptoms and effects, long term effects, and the damage caused by carbon monoxide poisoning.
Return to About carbon monoxide or top of Carbon monoxide levels in the air: What is normal? What is dangerous?
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Carbon Monoxide Survivor.com |
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