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Scientific Facts on

Air Pollution

Particulate Matter, Ozone,
and Nitrogen Dioxide
Source document:
WHO (2003-2004)
Summary & Details:
GreenFacts (2005)
 

Information on our 3-level structure
 
 

Level 2 - Details on Air pollution

The texts in Level 2 are either summaries of the Level 3 texts or excerpts from them.


Three air pollutants:
1. What is this air pollutant?

Information on:
   

2. How does it affect human health?

   

2.1 Effects of long-term exposure to levels observed currently in Europe
2.2 Is the air pollutant per se responsible for effects on health?
2.3 Influence of the presence of other air pollutants
2.4 Characteristics of individuals that may influence how the air pollutant affects them
3. How are we exposed to this air pollutant?

   

3.1 Critical sources responsible for health effects
3.2 Relationship between ambient levels and personal exposure
3.3 Short-term exposure to high peak levels or exposure in hot spots
4. Should current guidelines be reconsidered?

   

4.1 Impacts on public health of pollution reductions
4.2 Averaging period most relevant for standards to protect human health
4.3 Reconsideration of the current WHO Guidelines

5. Conclusions on this air pollutant (Level 1 only)

   

 
General issues and recommendations:
1. What are the uncertainties regarding this study?

1.1 Effects of long-term exposure to levels observed currently in Europe
1.2 Is the air pollutant per se responsible for effects on health?
1.3 Influence of the presence of other air pollutants
1.4 Characteristics of individuals that may influence how the air pollutant affects them
2. Are certain population groups particularly vulnerable?

2.1 Critical sources responsible for health effects
2.2 Relationship between ambient levels and personal exposure
2.3 Short-term exposure to high peak levels or exposure in hot spots
3. Recommendations

3.1 Impacts on public health of pollution reductions
3.2 Averaging period most relevant for standards to protect human health
3.3 Reconsideration of the current WHO Guidelines

Factual links on air pollution
     
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