Level 2 - Details on Ozone

1. What is Ozone (O₃)?

2. How does Ozone (O₃) affect human health?

2.1 Effects of long-term exposure to levels of Ozone observed currently in Europe?
2.2 Is Ozone per se responsible for effects on health?
2.3 Are health effects of Ozone influenced by the presence of other air pollutants?
2.4 Characteristics of individuals that may influence how Ozone affects them
2.5 Is there a threshold below which nobody’s health is affected by Ozone?

3. How are we exposed to Ozone (O₃)?

3.1 Critical sources of Ozone responsible for health effects
3.2 Relationship between ambient levels and personal exposure to Ozone
3.3 Short-term exposure to high peak levels or exposure in hot spots of Ozone

4. Should current O₃ guidelines be reconsidered?

4.1 Have positive impacts on public health of Ozone reductions been shown?
4.2 Averaging period most relevant for Ozone standards to protect human health
4.3 Reconsideration of the current WHO Guidelines for Ozone

5. Conclusions on Ozone (O₃) (level 1 only)

Other parts of this Digest