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Weather
Bihar's Air Quality Deteriorates After Diwali: Hazipur Hits 335 AQI
✍️ Amar Ujala · Patna
🗓 09 Nov 2026, 10:01 PM
👁 13
One day after Diwali, air quality in seven Bihar cities fell into the poor category, with Hazipur recording a hazardous 335 AQI and Betia 304 AQI. Officials attribute the spike to low wind speeds.
After the Diwali celebrations, the air quality in seven cities across Bihar slipped into the poor category. Hazipur registered the highest level of pollution, with an AQI of 335, placing it in the hazardous range. Betia followed closely with an AQI of 304, also classified as hazardous.
Environmental officials have linked the sudden rise in particulate matter to unusually low wind speeds, which prevented the dispersion of pollutants released during the festivities. The spike coincides with the widespread use of fireworks, a common practice during Diwali that emits fine particles and gases.
The findings underscore the impact of celebratory fireworks on urban air quality, especially in regions with limited wind flow. Residents in affected areas are advised to limit outdoor activities and use protective masks where possible.
Environmental officials have linked the sudden rise in particulate matter to unusually low wind speeds, which prevented the dispersion of pollutants released during the festivities. The spike coincides with the widespread use of fireworks, a common practice during Diwali that emits fine particles and gases.
The findings underscore the impact of celebratory fireworks on urban air quality, especially in regions with limited wind flow. Residents in affected areas are advised to limit outdoor activities and use protective masks where possible.