Tianjin
Measures to improve air quality

In May 2014, the city's administration enacted new laws in an attempt to lower the city's pollution levels. These measures included several methods to restrict pollution on days when is severe, such as by halving the number of vehicles allowed on roads, halting construction and manufacturing activity, closing schools, and halting large-scale outdoor activities.

In the past, flights have also been grounded and highways have been closed.

Foreign-born professional sportsmen have made statements regarding Tianjin's air quality, citing it as an impediment to athletic activity and being thick enough to "taste."
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