The data displays the share of cities affected by acid rain in China from 2013 to 2017, by frequency. In 2017, about 36.1% of monitored cities had experienced acid rain, whereas 2.8% of monitored cities had experienced an acid rain frequency of 75% or above.
Total share of cities affected by acid rain | 44.4 | 44.3 | 40.4 | 38.8 | 36.1 |
Frequency of acid rain > 25% | 27.5 | 26.6 | 20.8 | 20.3 | 16.8 |
Frequency of acid rain > 75% | 9.1 | 9.1 | 5 | 3.8 | 2.8 |