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Kompalle, nestled in the Kurnool district of Andhra Pradesh, India, occupies a geographically significant position within the Deccan Plateau. Located at approximately 17.4993° N, 78.4583° E, the town’s terrain is characterized by gently undulating hills and plains, typical of the region's weathered granite bedrock. The elevation, though modest, contributes to localized microclimates and influences air circulation patterns. Kompalle’s proximity to the Tungabhadra River, though not directly adjacent, is crucial; the river’s presence moderates temperatures and can influence humidity levels, impacting pollutant dispersion. The surrounding landscape is a mosaic of agricultural fields – predominantly rain-fed sorghum, millet, and pulses – interspersed with scrubland and rocky outcrops. This agricultural zone contributes to seasonal particulate matter, particularly during harvest periods when burning of crop residue is practiced. The urban–rural gradient around Kompalle is relatively gradual, with small villages and agricultural hamlets blending seamlessly into the town’s periphery. Further afield, the industrial belt of Kurnool, with its mix of cement plants, distilleries, and smaller manufacturing units, exerts an indirect influence on air quality, occasionally transporting pollutants via prevailing winds. The plateau’s topography, combined with the monsoon winds and the surrounding land use, creates a complex interplay of factors that shape Kompalle’s air quality profile. The relatively low population density (15,575) suggests a primarily agrarian economy, but increasing connectivity and potential for future industrial development necessitate careful monitoring of air quality trends.

Kompalle’s air quality experiences a distinct seasonal cycle dictated by the region’s tropical climate and the influence of the Indian monsoon. The pre-monsoon season (March-May) typically witnesses the poorest air quality. High temperatures and minimal rainfall create stable atmospheric conditions, often leading to temperature inversions where cooler air becomes trapped near the ground, preventing the vertical dispersion of pollutants. Agricultural burning, prevalent during this period as farmers prepare fields for the monsoon, significantly elevates particulate matter concentrations. The monsoon season (June-September) brings a dramatic improvement in air quality. Frequent rainfall effectively ‘washes’ pollutants from the atmosphere, and strong winds disperse any remaining contaminants. Humidity levels also increase, which can trap some pollutants but generally outweigh the negative effects. The post-monsoon season (October-November) sees a gradual return to less favourable conditions. While rainfall decreases, the winds are less consistent than during the monsoon, and the lingering effects of agricultural burning can still be observed. Winter months (December-February) are generally the most pleasant for outdoor activities, with cooler temperatures and relatively stable air. However, occasional fog, particularly in December and January, can trap pollutants near the ground, leading to temporary spikes in localized air quality issues. Sensitive groups, including children, the elderly, and individuals with respiratory conditions, should exercise caution during the pre-monsoon season and on foggy winter mornings, limiting prolonged outdoor exposure and wearing appropriate masks when necessary.