like this:

Health Effects Risk Factors Health Standards*
Potential risk of experiencing:

Decreases in lung function

Aggravation of asthma

Throat irritation and cough

Chest pain and shortness of breath

Inflammation of lung tissue

Factors expected to increase risk and severity of health effects are:

Increase in ozone air concentration

Greater duration of exposure for some health effects

Activities that raise the breathing rate (e.g., exercise)

Certain pre-existing lung diseases (e.g., asthma)

Higher susceptibility to respiratory infection