Addition of PM<sub><b>2.5</b></sub> into the National Ambient Air Quality Standards of China and the Contribution to Air Pollution Control: The Case Study of Wuhan, China

<table>Comparison of the attainment rates of the citywide air quality during the first 6 months of 2012 and 2013.</table>

The Scientific World Journal

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Figure 2

Figure 2: Addition of PM<sub><b>2.5</b></sub> into the National Ambient Air Quality Standards of China and the Contribution to Air Pollution Control: The Case Study of Wuhan, China 

Figure 2 | Addition of PM2.5 into the National Ambient Air Quality Standards of China and the Contribution to Air Pollution Control: The Case Study of Wuhan, China 