Toronto ranks as world’s dirtiest major city for air quality

Recent data from IQAir places Toronto at the bottom of global city air quality rankings. The Canadian city now records the poorest air quality among major metropolitan areas. The ranking compares Toronto to other large cities worldwide. Poor air quality metrics reflect elevated levels of pollutants. Residents may experience increased health risks due to the deterioration. The report highlights the urgency for local environmental measures. City officials are expected to address the factors driving the decline. Observers will watch future data to see if conditions improve.