968bf7a0_Introduction_to_Air_Pollution__Health_Effect_Descriptor
[Index Value] 400 - 500 [General Health Effects] Premature death of ill & elderly. Healthy people will experience adverse symptoms that affect their normal activity. [Cautionary Statements] All persons should remain indoors, keeping windows & doors closed. All persons should minimize physical exertion & avoid automobile traffic [Health Effect Descriptor] 
Hazardous
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