Saktipur Air Quality Index (AQI)

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Saktipur, nestled in the Purba Bardhaman district of West Bengal, India, occupies a geographically significant position within the Bengal Plain. Located at approximately 23.8640° N latitude and 88.1987° E longitude, the city’s terrain is predominantly flat, characteristic of the fertile alluvial plains formed by the Ganges-Brahmaputra delta system. The elevation is relatively low, contributing to a tendency for pollutants to accumulate, particularly during periods of atmospheric stability. Saktipur’s proximity to the Damodar River, though providing a vital water source, also influences local microclimates and can impact the dispersion of airborne particles. The surrounding landscape is a mosaic of agricultural fields – primarily rice and jute cultivation – interspersed with small villages and scattered industrial units. This agricultural belt, while economically important, contributes to seasonal particulate matter pollution from crop burning practices, especially during the post-harvest period. The urban–rural gradient around Saktipur is gradual, with the city acting as a regional trading hub and experiencing increasing urbanization. This growth, coupled with limited infrastructure for waste management and transportation, presents challenges for air quality. The regional position, within a densely populated and industrialized state, means Saktipur is also susceptible to pollutants transported from larger urban centers like Kolkata, further complicating local air quality management. The flat topography and prevailing wind patterns often result in stagnant air conditions, exacerbating the impact of local and regional pollution sources.

Saktipur’s air quality follows a distinct seasonal pattern dictated by the region’s tropical monsoon climate. The monsoon season, typically spanning June to September, brings relief from accumulated pollutants due to frequent rainfall and increased wind speeds, effectively flushing the atmosphere. However, the preceding pre-monsoon months (March-May) often witness a significant deterioration in air quality. High temperatures, low humidity, and stagnant air conditions, frequently accompanied by fog, create a meteorological scenario conducive to pollutant accumulation. Crop residue burning after the harvest season in April and May is a major contributor to particulate matter pollution during this period. The winter months (November-February) are characterized by cooler temperatures and frequent fog, which traps pollutants near the ground, leading to periods of reduced visibility and elevated concentrations of fine particulate matter. While temperatures are lower, the lack of wind and the prevalence of fog significantly impede pollutant dispersion. The post-monsoon season (October) sees a transitional period with gradually improving air quality as rainfall decreases and wind speeds increase. Sensitive groups, including children, the elderly, and individuals with respiratory conditions, should exercise caution during the pre-monsoon and winter months, limiting outdoor activities during peak pollution episodes. Maintaining indoor air quality through ventilation and air purification can also be beneficial. Awareness campaigns promoting responsible agricultural practices and reducing reliance on fossil fuels are crucial for mitigating seasonal air quality fluctuations.