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Sāram, a small city nestled within the state of Jharkhand, India, occupies a geographically significant position in the eastern Indian landscape. Located at coordinates 23.7625°N, 85.8300°E, the city’s terrain is characterised by the undulating topography typical of the Chota Nagpur Plateau. This plateau, rich in mineral resources, contributes significantly to the regional economy but also presents unique air quality challenges. Sāram’s elevation, approximately 220 meters above sea level, influences local wind patterns and the dispersion of pollutants. The surrounding landscape is a mosaic of forested hills, agricultural lands primarily dedicated to rice and maize cultivation, and increasingly, areas impacted by mining activities. The proximity to the Damodar River valley, while providing a water source, also creates conditions conducive to humidity and potential temperature inversions. The urban-rural gradient is relatively sharp, with Sāram serving as a market and service centre for surrounding villages. Industrial activity, though not concentrated *within* Sāram itself, is present in nearby areas like Bokaro Steel City, impacting regional air quality. The city’s location within a developing industrial belt, coupled with agricultural practices like crop residue burning, creates a complex interplay of emission sources that directly affect Sāram’s air quality.

Sāram experiences a distinct seasonal air quality pattern dictated by the monsoon and post-monsoon periods. The pre-monsoon months of March to May are typically the worst for air quality. Rising temperatures and stagnant air create conditions for dust storms and the build-up of particulate matter from construction and agricultural burning. May, before the monsoon’s arrival, is particularly challenging. The southwest monsoon, arriving in June and lasting until September, brings significant relief. Rainfall effectively washes away pollutants, and increased humidity suppresses dust. However, localised flooding can disrupt transportation and potentially release pollutants from stagnant water. October and November, the post-monsoon period, see a gradual deterioration as temperatures cool and wind speeds decrease, allowing pollutants to accumulate. Winter months (December-February) often experience temperature inversions, trapping pollutants near the ground, particularly in the early mornings. Sensitive groups – children, the elderly, and those with respiratory conditions – should limit outdoor activity during pre-monsoon and winter months. During the monsoon, while air quality improves, the risk of waterborne diseases increases, requiring careful hygiene practices. Avoiding peak traffic hours and using masks when outdoors during polluted periods are recommended.