Air pollution is considered to be extreme environmental health hazard to humankind, becoming a reason for over six million deaths a year and an economic cost that is equal to over $8 trillion dollars. This analysis is according to the World Air Quality Report 2022 released on Tuesday by IQAir, a Swiss air quality technology company. The analysis revealed that out of a surveyed 131 countries, regions and territories, only 13 resulted in meeting World Health Organization air guidelines of annual PM2.5 concentrations at or below 5 μg/m3 in 2022, many of which were in Oceania.








