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Cuddapah (officially Kadapa) occupies a distinctive position in the Rayalaseema region of southern Andhra Pradesh, situated approximately 400 kilometres north of Chennai and 250 kilometres south of Hyderabad. The city lies within the Penner River basin at an elevation of 138 metres above sea level, nestled between the eastern slopes of the Nallamala Hills to the north and the Velikonda Range to the south, creating a semi-enclosed valley topography that significantly influences local air quality. This basin configuration, combined with the region's semi-arid climate, often leads to atmospheric stagnation, particularly during cooler months when temperature inversions trap pollutants near the surface. Cuddapah functions as a regional administrative and commercial hub, exhibiting a pronounced urban-rural gradient with agricultural lands—primarily groundnut, cotton, and millet cultivation—encircling the urban core. While not part of a major industrial belt, the city hosts small-scale industries including cement production, mining (notably barytes and limestone from surrounding hills), and vehicle repair workshops that contribute to particulate emissions. The Penner River, though seasonal, provides some local moisture but insufficient to regularly cleanse the air. Proximity to mining activities in the surrounding hills adds crustal dust to the urban mix, while the city's growth has increased construction and vehicular emissions, creating a complex pollution profile shaped by both geographic confinement and anthropogenic factors.

Cuddapah's air quality follows a distinct seasonal rhythm dictated by the interplay of monsoon patterns, temperature variations, and local emissions. During the hot, dry summer months from March to May, rising temperatures and increased wind activity typically disperse pollutants, resulting in relatively better air quality, though occasional dust storms from surrounding arid lands can elevate particulate levels. The southwest monsoon from June to September brings substantial rainfall that effectively scrubs the atmosphere, leading to the cleanest air of the year—this period offers optimal conditions for outdoor activities. As the northeast monsoon retreats in October, a transitional phase begins where decreasing winds and the onset of cooler temperatures create conditions conducive to pollution accumulation. The winter months from November to February present the greatest air quality challenges, with frequent temperature inversions in the valley basin trapping vehicular emissions, construction dust, and biomass burning smoke from agricultural residue and domestic heating. These stagnant conditions often lead to hazy mornings with reduced visibility, particularly in December and January. Sensitive groups including those with respiratory conditions, children, and the elderly should limit prolonged outdoor exposure during early morning hours in winter, when pollutant concentrations peak. The post-monsoon period from October to December also sees increased agricultural burning in surrounding farmlands, further degrading air quality during these critical months.