Air pollution levels among worst in the world in northern Thailand
Published date: Tue, 21 Feb 2023 16:58:07 +0700
Air pollution in northern Thailand has been ranked among the worst in the world by a Swiss air quality monitor.
The air quality index (AQI) for Chiang Mai reached 161 or 'unhealthy' levels today, with a PM2.5 level of 75.4 micrograms per cubic metre, Swiss company IQAir reported this morning.