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Sāngola, a municipality in Solāpur district of Maharashtra, India, occupies a relatively flat terrain within the Deccan Plateau. Situated at coordinates 17.4378°N, 75.1939°E, the city’s elevation is approximately 640 meters (2,100 feet) above sea level. This inland location, far from significant bodies of water like the Arabian Sea, contributes to a continental climate characterized by greater temperature extremes. The surrounding landscape is predominantly agricultural, dominated by sugarcane and soybean cultivation, typical of the region. Sāngola functions as a market town serving the agricultural hinterland, and experiences a noticeable urban-rural gradient as one moves away from the central municipality. While not directly within a major industrial belt, the increasing presence of small-scale agricultural processing units and brick kilns in the surrounding areas contributes to localised emissions. The lack of significant natural windbreaks and the flat topography can exacerbate the concentration of pollutants during periods of low wind speed. Dust from agricultural activities, particularly during harvest seasons, is a significant factor. The city’s position within Maharashtra means it’s susceptible to regional air pollution transport from larger urban centres. Understanding this geographic context is crucial for interpreting Sāngola’s air quality challenges.

Sāngola’s air quality follows a distinct seasonal pattern. The post-monsoon months (October-November) often see a temporary improvement as rainfall washes away accumulated pollutants, but this is short-lived. Winter (December-February) brings cooler temperatures and increased temperature inversions, trapping pollutants near the ground, leading to poorer air quality. This is compounded by increased biomass burning for warmth and cooking. The pre-monsoon months (March-May) are typically the worst, with rising temperatures, low humidity, and strong winds stirring up dust from agricultural lands and construction activities. May, in particular, is often a period of significant air pollution. The arrival of the monsoon (June-September) provides substantial relief, as heavy rainfall effectively cleanses the atmosphere. However, increased humidity can also promote the formation of secondary pollutants. Sensitive groups – children, the elderly, and those with respiratory conditions – should limit outdoor activity during the pre-monsoon and winter months. During the monsoon, while air is cleaner, the damp conditions can exacerbate respiratory issues. Monitoring local weather patterns and avoiding peak pollution times are essential for protecting health. The agricultural cycle heavily influences pollution levels, with harvest and preparation periods being particularly problematic.