China, South Korea and Japan are holding a joint dialogues on tackling air pollution.

The 2nd Tripartite Policy Dialogue on Air Pollution is being held in Seoul on Thursday and Friday. Senior officials from all three nations are at the meeting. Policy efforts to reduce Volatile Organic Compounds, or VOCs will be discussed. VOCs are the main cause of smog.

Measures to monitor and and reduce pollutants will also be discussed. The annual meeting was set up during the Tripartite Environment Ministers Meeting in May 2013. The first Tripartite Policy Dialogue was held in Beijing last year.