Measuring air pollution is crucial for understanding its impact on human health and the environment. According to the World Health Organization (WHO), air pollution is responsible for 4.2 million premature deaths each year worldwide. In the United States, approximately 137 million people live in areas with unhealthy levels of air pollution, and it is estimated that air pollution contributes to over 100,000 deaths each year. I think once you get the chance to review this resource, you’ll find it provides valuable insights about the urgent need for effective measures to reduce air pollution and protect public health.