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. Author manuscript; available in PMC: 2011 Feb 1.
Published in final edited form as: Environ Res. 2009 Nov 26;110(2):178. doi: 10.1016/j.envres.2009.10.012

Figure 2.

Figure 2

Time-series plots of NO2, NO2 residuals, temperature (minimum), and dew point, 2001–2003.

Note: Positive residuals of NO2 are referred to as exceedances of NO2 in the discussion of the results.