968bf7a0_Introduction_to_Air_Pollution__Health_Effect_Descriptor
[Index Value] 200 - 300 [General Health Effects] Significant aggravation of symptoms & decreased exercise tolerance in persons with heart or lung disease with widespread symptoms in the healthy population [Cautionary Statements] Elderly & persons with existing heart or lung disease should stay indoors & reduce physical activity [Health Effect Descriptor] 
Very Unhealthy
H a z a r d o u s
V e r y U n h e a l t h y
U n h e a l t h y
M o d e r a t e
G o o d
Introduction to Air Pollution
Health Effect Descriptor