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Health Effects Categories
Air Quality Index (AQI) for BAM-2.5 24-Hour 1
| Health Effects Categories |
Health Effects |
Cautionary Statements |
| |
Hazardous |
Serious aggravation of heart or lung disease and premature mortality in persons with cardiopulmonary disease and the elderly; serious risk of respiratory effects in the general population. |
Everyone should avoid any outdoor exertion; people with respiratory or heart disease, the elderly, and children should remain indoors. |
| |
Very Unhealthy |
Significant aggravation of heart or lung disease and premature mortality in persons with cardiopulmonary disease and the elderly; significant risk of respiratory effects in the general population. |
People with respiratory or heart disease, the elderly, and children should avoid any outdoor activity; everyone else should avoid prolonged exertion. |
| |
Unhealthy |
Increased aggravation of heart or lung disease and premature mortality in persons with cardiopulmonary disease and the elderly; increased respiratory effects in the general population. |
People with respiratory or heart disease, the elderly, and children should avoid prolonged exertion; everyone else should limit prolonged exertion. |
| |
Unhealthy for Sensitive Groups |
Increasing likelihood of respiratory symptoms in sensitive individuals, aggravation of heart or lung disease and premature mortality in persons with cardiopulmonary disease and the elderly. |
People with respiratory or heart disease, the elderly and children should limit prolonged exertion. |
| |
Moderate |
Possibility of aggravation of heart or lung disease among persons with cardiopulmonary disease and the elderly. |
None |
1 Guideline For Reporting Of Daily Air Quality – Air Quality Index (AQI), EPA-454/R-99-010, July 1999, U.S. Environmental Protection Agency, Office of Air Quality Planning and Standards, Research Triangle Park, North Carolina, 27711.
