Graph of the Annual Air Quality Index RatingsThe following graphs show the percentage of time that air quality has been rated "Good", "Fair", "Poor", and "Very Poor" from 1998 to 2007. Please note the different vertical scales for each rating. ![]() |
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State of the Environment - Air |
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Graph of the Annual Air Quality Index RatingsThe following graphs show the percentage of time that air quality has been rated "Good", "Fair", "Poor", and "Very Poor" from 1998 to 2007. Please note the different vertical scales for each rating. ![]() |
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