An assessment of winter PM2.5 pollution levels across seven major Indian cities has shown surprising results. If reports go by, Varanasi stood as the sole city meeting national standards for this particulate matter over the past two years. This indicates Varanasi’s compliance with the prescribed national standards for particulate matter with a size less than 2.5 micrometres during the winters of 2022-2023 and 2023-2024. Despite being situated within the Indo-Gangetic Plain, renowned as India’s most polluted region, Varanasi exhibited the lowest winter pollution levels among the seven major cities.
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According to reports, Climate Trends, a research endeavour dedicated to climate change, chose the timeframe of October to February for assessing air quality. Data on air quality used in the study was obtained from the Central Pollution Control Board (CPCB) website. The analysis focused on seven…
