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PM10 Cautionary Table

PM10 CAUTIONARY STATEMENT GUIDE
Air Quality
Index
Cautionary Statements Health Effects Statements    Index (AQI)
An AQI of 100 corresponds to EPA's air quality standard
PM10 Concentration
(micrograms per cubic meter)
24-hour average unless noted
Good No health impacts are expected when air quality is in this range. No health effects are expected when air quality is in this range. 0 to 50 0 to 54
Moderate No health impacts are expected when air quality is in this range. No health effects are expected when air quality is in this range. 51 to 100 55 to 154
Unhealthy for Sensitive Groups People with respiratory disease, such as asthma, should limit outdoor exertion. Increasing likelihood of respiratory symptoms and aggravation of lung disease, such as asthma. 101 to 150 155 to 254
Unhealthy People with respiratory disease, such as asthma, should limit outdoor exertion. Increased respiratory symptoms and aggravation of lung disease, such as asthma; possible respiratory effects in general population. 151 to 200 255 to 354
Very Unhealthy People with respiratory disease, such as asthma, should avoid any outdoor activity; everyone else, especially the elderly and children, should limit outdoor exertion. Significant increase in respiratory symptoms and aggravation of lung disease, such as asthma; increasing likelihood of respiratory effects in general population. 201 to 300 355 to 424
Hazardous Everyone should avoid any outdoor exertion; people with respiratory disease, such as asthma, should remain indoors. Serious risk of respiratory symptoms and aggravation of lung disease, such as asthma; respiratory effects likely in general population.. 301 to 500 425 to 604
Sensitive Groups: When the PM10 AQI exceeds 100 the sensitive groups most at risk are people with respiratory disease.
 

 

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