Explained: What Is AQI And Reasons Behind Its Sharp Decline

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  • Published On: November 05, 2024
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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?

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