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2
3
Red > 3
Green <= 2
In-between = Yellow
View the Legend

Annual Ozone Air Quality

Value:
Measurement
Period:
2009-2011
Location: County : Miami-Dade
Comparison: Air Quality Index
Categories: Environment / Air
Health / Environmental & Occupational Health
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What is this Indicator?
This indicator gives a grade to each county in the U.S. based on the annual number of high ozone days.
Why this is important: 
Ozone is an extremely reactive gas composed of three oxygen atoms. It is the primary ingredient of smog air pollution and very harmful to breathe. Ozone essentially attacks lung tissue by reacting chemically with it. It also damages crops, trees and other matter -- even breaking down rubber compounds.
Technical Note:  The American Lung Association (ALA) assigns grades A-F to counties (A=1; B=2; C=3; D=4; F=5), based on the average annual number of days that ozone levels exceeded U.S. standards during the three year measurement period. The five-point grading scale was used for the distribution (Green = <2; Yellow = 2 - 3; Red = >3). The air quality data is collected by the EPA and summarized by the ALA.
Source: American Lung Association
URL of Source:   http://www.lungusa.org/
URL of Data:   http://www.stateoftheair.org/2013/states/florida/
Maintained By: Healthy Communities Institute
Last Updated: April 2013

Time Series Data

2005-2007: 4 2006-2008: 5 2007-2009: 4 2008-2010: 3 2009-2011: 3
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How are these indicators calculated? Return to Community Dashboard Home
Stayed the same
View the Legend

Annual Ozone Air Quality

Value:
Measurement
Period:
2009-2011
Location: County : Miami-Dade
Comparison: Prior Value
Categories: Environment / Air
Health / Environmental & Occupational Health
What is this Indicator?
This indicator gives a grade to each county in the U.S. based on the annual number of high ozone days.
Why this is important: 
Ozone is an extremely reactive gas composed of three oxygen atoms. It is the primary ingredient of smog air pollution and very harmful to breathe. Ozone essentially attacks lung tissue by reacting chemically with it. It also damages crops, trees and other matter -- even breaking down rubber compounds.
Technical Note:  The trend is a comparison between the most recent and previous measurement periods. Confidence intervals were not taken into account in determining the direction of the trend.
Source: American Lung Association
URL of Source:   http://www.lungusa.org/
URL of Data:   http://www.stateoftheair.org/2013/states/florida/
Maintained By: Healthy Communities Institute
Last Updated: April 2013

Time Series Data

2005-2007: 4 2006-2008: 5 2007-2009: 4 2008-2010: 3 2009-2011: 3
Zoom to:
Create Indicator Comparison Report
How are these indicators calculated? Return to Community Dashboard Home