Toxicty of Ozone to Humans

This graph shows an indication of the ozone concentration and exposure time.

 

 Example:

At an ozone concentration of 0.1 ppm (100 ppb), 1000 minutes of exposure causes no symptoms.

 

At an ozone concentration of 1 ppm (1000 ppb), 100 minutes of exposure can cause Nontoxic Symptomatic symptoms.

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Information

Source: Toxicity of ozone to humans (Langewerf, 1963; cited in Dimitriou, 1990)