Assessment of air quality index (AQI) in Riyadh, Saudi Arabia

Abstract Air pollution is increasingly becoming a main environmental matter in the world. It can impact public health, weather, and climate. Riyadh's air poses significant health risks. The study aimed to analyze current future quality by using AQI. Main six pollutants are considered, nitrogen dioxide (NO 2 ), sulfur (SO particulate (PM), ground level ozone (O 3 carbon (CO monoxide (CO). Eleven stations located throughout Riyadh assess concentration of standard daily. A comparison was done at local, regional, international levels. Furthermore, diverse factors such as meteorological seasons, working periods, COVID-19 period taken into account. Industrial emissions, well contributions from mobile sources wind-blown dust, appear be principal pollutant affecting Riyadh. measured components for all contaminants were found below standard. PM greatest damage city's human studied. practically locations stations, even though CO O levels city not alarming