Guwahati, Oct 26: Breaking away from the trend of rising post-Diwali pollution, Guwahati has witnessed a notable decline in both air and noise pollution this festive season. According to data from the Assam Pollution Control Board, reduced bursting of firecrackers played a major role in improving the city’s environmental conditions compared to previous years.

Air Quality Index (AQI) levels, which typically spike during Diwali due to smoke and emissions from fireworks, remained comparatively lower this time. On the first day of Diwali this year, the AQI was recorded at 144, and on the second day, it dropped further to 118, both falling under the ‘Moderate’ pollution category.

In contrast, on Diwali in 2024, the AQI stood at 154 on the first day and 93 on the second day. The situation was

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