Delhi Records Worst Diwali Air Quality in Five Years with AQI of 376
Delhi Records Worst Diwali Air Quality in Five Years with AQI of 376
IN · Published Nov 10, 2026
• Delhi experienced its most polluted Diwali in five years, with an average Air Quality Index (AQI) of 376 recorded on 8 November 2026, according to the Central Pollution Control Board (CPCB). This figure marks the highest Diwali-day AQI since 2021, when it reached
• The pollution levels were exacerbated by the widespread use of firecrackers despite restrictions, along with vehicle emissions, industrial pollution, construction dust, and crop-residue burning in neighbouring states. The situation worsened due to cold weather and weak winds, which trapped pollutants close to the ground. The following morning, the AQI remained at a concerning 371 at 10 am, with several monitoring stations reporting 'severe' air quality levels.

Impact & Risks

The 'very poor' AQI levels pose significant health risks, including respiratory illnesses, even for healthy individuals after prolonged exposure. Vulnerable groups such as children, the elderly, and those with pre-existing conditions like asthma or heart disease are at heightened risk. Symptoms such as coughing, throat irritation, burning eyes, and difficulty breathing have been reported. The lingering smog and high PM2.5 levels, which are fine particles capable of penetrating deep into the lungs, further exacerbate the health crisis.

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