Nina Randazzo
Urban Carbon Monoxide (CO) during the Global Economic Recession
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Motivation: To determine whether a CO trend related to economic activity could be observed.
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Examined July monthly averages from 2005 to 2012 for 10 urban areas.
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Decrease going into 2008 or 2009 (worst years of the Recession).
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Often another decrease into 2011.
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Generally, rebound in 2012
![Randazzo_1](https://webarchive.library.unt.edu/web/20170119133438im_/http://cicsmd.umd.edu/assets/1/7/Randazzo_1.jpg)
Figure 1: AQS shows a sharp decrease in 2007 and 2008; Rebound in 2012
![Randazzo_2](https://webarchive.library.unt.edu/web/20170119133438im_/http://cicsmd.umd.edu/assets/1/7/Randazzo_2.jpg)
Figure 2
![Randazzo_3](https://webarchive.library.unt.edu/web/20170119133438im_/http://cicsmd.umd.edu/assets/1/7/Randazzo_3.jpg)
Figure 3