PM2.5 dust problem has returned to threaten Bangkok and the North.

The problem of small dust particles PM2.5 has returned to be an important issue threatening the health of people in the Bangkok and the North again. The main causes are still open burning, traffic, and the industrial sector. The government and related agencies are accelerating short-term and long-term measures to reduce sources of pollution, including campaigns for people to wear masks and closely monitor air quality to alleviate the impact on health and the environment.