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Goh, a small town in the Kishanganj district of Bihar, India, sits at coordinates 24.9845°N, 84.6498°E. The terrain is largely flat, characteristic of the Indo-Gangetic Plain, with an elevation hovering around 35 meters above sea level. This low-lying position contributes to the potential for stagnant air masses, exacerbating pollution. Goh is situated within a predominantly agricultural landscape, heavily reliant on farming, particularly rice and jute cultivation. The nearby Mahananda River, while providing a vital water source, also influences local humidity and can contribute to fog formation during cooler months, trapping pollutants. The urban-rural gradient is sharp; Goh itself is a relatively small settlement surrounded by extensive rural areas. While not directly within a major industrial belt, the broader region experiences industrial activity related to tea processing and food processing, contributing to background pollution levels. The town’s location within the densely populated Bihar plain means it’s susceptible to regional air pollution transport from larger urban centres. Dust from agricultural practices, brick kilns, and unpaved roads are significant local sources. The lack of substantial natural barriers to wind flow means pollutants can accumulate or be dispersed depending on prevailing weather patterns.

Air quality in Goh follows a distinct seasonal pattern. The post-monsoon period, from October to November, often sees the worst conditions. Reduced rainfall leads to dust accumulation from agricultural activities and road traffic, while cooler temperatures create temperature inversions, trapping pollutants near the ground. December and January bring cooler, drier air, and frequent fog, further concentrating particulate matter. This is a period to limit strenuous outdoor activity, particularly for those with respiratory conditions. The pre-monsoon months, March to May, witness rising temperatures and increased dust storms, worsening air quality. The arrival of the monsoon in June brings a temporary respite, as rainfall washes away pollutants and increases humidity, suppressing dust. However, increased humidity can also foster mold growth indoors. September, as the monsoon recedes, sees a gradual return of drier conditions and increasing pollution. For sensitive individuals – children, the elderly, and those with pre-existing respiratory or cardiovascular illnesses – avoiding outdoor exertion during peak pollution periods (October-November and March-May) is crucial. Monitoring local conditions and using appropriate respiratory protection when necessary is advised.