Caribbean nations earned top rankings for air purity in a comprehensive global study measuring pollution levels worldwide. The 2024 IQAir World Air Quality Report examined data from more than 40,000 monitoring stations spanning 138 countries. Researchers found that the Bahamas, Barbados, and Grenada achieved the World Health Organization standard of 5 micrograms per cubic meter for harmful particles. These three nations joined just four other countries meeting the strict air quality benchmark.
Mayaguez in Puerto Rico recorded the cleanest air among all metropolitan areas studied at 1.1 micrograms per cubic meter. The Caribbean region benefits from steady ocean breezes, limited industrial development, and vehicle emission controls that...