It suffers from bad pollution, with just 41.37 on the SPI "environmental quality" metric ... countries in the world by Transparency International. Yemen scores low on every sub-index, but access ...

The following list refers to data from Statista that ranks the most polluted countries in the world in 2024 based ... Asian countries with poor air quality, with a PM2.5 level reaching 42.8 micrograms ...

However, considerable gaps still exist in government-operated regulatory systems in many parts of the world. Low-cost air quality monitors—used by citizen scientists, researchers, community ...