China Air Daily
A comparison between Beijing and Shenyang (right) for the period January-September 2015. Shenyang's past winter was particularly bad, worse than Beijing's, also had a spike that went over 900. But on average, Beijing's PM2.5 level is still slightly higher, more polluted, than Shenyang.
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A comparison between Beijing and Shenyang (right) for the period January-September 2015. Shenyang's past winter was particularly bad, worse than Beijing's, also had a spike that went over 900. But on average, Beijing's PM2.5 level is still slightly higher, more polluted, than Shenyang.