On average, how many days per year does the east coast have poor air quality (non-attainment)?



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    This is a difficult question to answer as the date compiled by the Environmental Protection Agency (EPA) provides air quality indexes by geographical region, and the east coast is compromised of four regions. Looking at data collected from all four regions (including areas that may or may not be considered “east coast” such as Alabama and West Virginia) it looks as though the highest number of days air quality is considered poor, or “unhealthy” according to EPA indicators, is 3 per year in certain areas of the east coast (Fairfield County, CT for example). This cannot be used as a generalization for the east coast as many areas experience zero days of unhealthy air quality. Check out the link cited below to get specific data for your region of interest.

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