Air pollution became one of the biggest global challenges in ۲۰۲۱, with many cities grappling with dangerous levels of pollution. According to a new report, air quality in various parts of the world significantly deteriorated, and this situation reached a crisis point in some regions.
At-Risk Cities
Some metropolitan areas faced severe pollution, affecting the daily lives of citizens. Air quality in these areas clearly dropped below global standards, raising serious concerns about public health.
Clean Air Areas
However, some regions managed to maintain good air quality. These areas, by adopting appropriate measures and reducing polluting activities, have emerged as models for other parts of the world, demonstrating that with determination and planning, air quality can be improved.
