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Tendūkheda, nestled in the Sagar district of Madhya Pradesh, India, occupies a geographically significant position within the broader Bundelkhand region. Located at approximately 23.3962° N, 79.5395° E, the town sits on a gently undulating terrain, characteristic of the Deccan Plateau's northern fringe. The elevation, around 315 meters (1033 feet) above sea level, contributes to a relatively stable atmospheric layer, which can, under certain conditions, exacerbate pollution accumulation. The surrounding landscape is predominantly agricultural, with fields of wheat, pulses, and oilseeds stretching as far as the eye can see. This agricultural activity, while vital to the local economy, introduces particulate matter from crop residue burning, particularly during the post-harvest season. Tendūkheda’s proximity to the larger urban centers of Sagar and Bina, and their associated industrial zones, means it is susceptible to the advection of pollutants from those areas. The urban–rural gradient is gradual, with small villages and agricultural hamlets blending seamlessly into the town’s periphery. While not directly adjacent to a major river, the region receives water from seasonal streams and groundwater sources, influencing local humidity and potentially affecting the dispersion of airborne pollutants. The town’s relatively small size (population 14,822) means that local emissions from vehicles and small-scale industries are the primary contributors to its air quality profile, though regional factors play a crucial role in overall pollution levels.

Tendūkheda’s air quality follows a distinct seasonal pattern dictated by the region’s monsoon climate. The dry season, spanning roughly October to May, presents the most significant air quality challenges. During these months, lower humidity and reduced rainfall lead to a decrease in atmospheric moisture, hindering the natural cleansing processes that rain provides. Temperature inversions, common during the cooler evenings and mornings, trap pollutants close to the ground, intensifying their concentration. November and December often experience dense fog, further restricting vertical mixing and exacerbating the problem. Agricultural burning after the harvest season (typically October-November) releases substantial quantities of particulate matter, significantly degrading air quality. The monsoon season (June to September) brings relief, with frequent rainfall washing away pollutants and strong winds dispersing them. However, even during the monsoon, periods of stagnant weather can lead to localized pollution spikes. The pre-monsoon period (April-May) is characterized by high temperatures and dry winds, which can contribute to dust and particulate matter accumulation. Sensitive groups, including children, the elderly, and individuals with respiratory conditions, should exercise caution during the dry season, particularly during periods of fog or agricultural burning. Outdoor activities are best planned for the monsoon months or during periods of clear, windy weather. The transition months of March and September offer a more moderate air quality profile, but vigilance is still advised.