As per the World Air Quality Report, which country had the highest PM2.5 concentration in 2023?

According to the World Air Quality Report, in 2023, India had the highest PM2.5 concentration among all countries. The report highlighted the severe air pollution levels in several cities across India, which continued to be a significant environmental and public health concern. Efforts to mitigate air quality issues are essential in such regions where industrial emissions, vehicular pollution, and other factors contribute to high levels of particulate matter. In addition to India, other countries with notable PM2.5 levels included Bangladesh and Pakistan, but India remained at the top for that year, emphasizing the need for stricter air quality regulations and health initiatives.