Industrial emissions, vehicular exhaust, open burning of waste and crops, construction activities, and geographical factors that trap pollutants.
China
The primary causes of Beijing's air pollution are industrial emissions, vehicle exhaust, coal-burning for heating purposes, and dust particles from construction activities.
Cairo - Egypt
Cairo's air pollution is exacerbated by factors such as rapid urbanization, population growth, and unfavorable meteorological conditions.
Jakarta
The air pollution in Jakarta is primarily caused by vehicular emissions, industrial activities, open burning of waste and agricultural land, and construction dust
Los Angeles
combination of factors including vehicle emissions, industrial pollution, and geography
Mexico
primarily attributed to factors such as vehicle emissions, industrial activities, urban sprawl, and geographical features