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Māndleshwar, nestled in the Malwa Plateau of Madhya Pradesh, India, occupies a geographically significant position within a region characterized by undulating terrain and a gradual urban–rural gradient. Located at approximately 22.1760° N, 75.6599° E, the city sits at an elevation of roughly 318 meters (1043 feet) above sea level, contributing to a generally drier climate. The surrounding landscape is predominantly agricultural, with fertile plains supporting extensive cultivation of crops like wheat, soybeans, and pulses. This agricultural activity, while vital to the regional economy, can contribute to seasonal particulate matter pollution, particularly during harvest periods when residue burning is practiced. Māndleshwar’s proximity to the larger urban centers of Indore and Ujjain, roughly 60-80 kilometers away, places it within the sphere of influence of their industrial and transportation activities, potentially impacting air quality through long-range transport of pollutants. The city itself is a relatively small urban settlement, exhibiting a compact urban footprint with a mix of residential, commercial, and light industrial areas. The absence of major rivers or lakes within the immediate vicinity limits natural air purification processes. The plateau's topography can also lead to localized air stagnation, especially during periods of calm winds, exacerbating the effects of local emissions. The prevailing winds generally flow from the west, carrying pollutants eastward, though this pattern can be disrupted by regional weather systems. The surrounding rural areas are sparsely populated, creating a gradual transition from urban to agricultural land use.

Māndleshwar’s air quality experiences a distinct seasonal cycle heavily influenced by the region’s monsoonal climate. The pre-monsoon season (March-May) typically witnesses the poorest air quality, characterized by rising temperatures and decreasing rainfall. This period often sees increased dust and particulate matter due to agricultural activities, including residue burning after the harvest of winter crops. Temperature inversions, common during these months, trap pollutants near the ground, further degrading air quality. The monsoon season (June-September) brings relief, with frequent rainfall washing away pollutants and strong winds dispersing them. This is generally the most favorable time for outdoor activities. Post-monsoon (October-November) sees a gradual return to drier conditions, with a potential for increased pollution as agricultural practices resume. The winter months (December-February) are often characterized by cooler temperatures and periods of fog, which can trap pollutants and reduce visibility. The combination of low temperatures and stagnant air during foggy mornings can be particularly challenging for respiratory health. Sensitive groups, including children, the elderly, and individuals with pre-existing respiratory conditions, should limit prolonged outdoor exposure during the pre-monsoon and winter months, particularly on days with dense fog. Maintaining indoor air quality through ventilation and air purification can also be beneficial. The agricultural cycle dictates much of the pollution pattern, making awareness of burning practices crucial for mitigating impacts.