Explained: What Is AQI And Reasons Behind Its Sharp Decline
Following Diwali, air quality in several cities across northern India plummeted to hazardous levels, with AQI readings exceeding 400 in some areas. Despite measures such as anti-smog guns and construction restrictions in cities like Delhi, pollution levels remain critical, fuelled by stubble burning and firecrackers, and intensified by the onset of winter. The question remains: How is the AQI calculated, and what factors contribute to its sharp decline, especially during winter?
