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Dhone, situated in the Kurnool district of Andhra Pradesh, India, occupies a relatively flat terrain within the Deccan Plateau. Its coordinates (15.3960°N, 77.8720°E) place it inland, approximately 250km southwest of Hyderabad. The surrounding landscape is predominantly rural, characterized by agricultural lands – primarily cotton, groundnuts, and millet – interspersed with rocky outcrops typical of the region. The Tungabhadra River flows nearby, though not directly through the city, influencing local microclimates and providing irrigation for agriculture. Dhone’s elevation is around 288 meters (945 feet) above sea level. While not a major industrial hub itself, Dhone serves as a regional trading center for agricultural produce, and is within reach of industrial activity in Kurnool and surrounding districts. The urban-rural gradient is quite pronounced; the city core is densely populated, but quickly transitions to agricultural fields. This proximity to agricultural practices, including potential for seasonal crop burning, and the lack of significant natural wind corridors to disperse pollutants, contribute to localised air quality challenges. Dust from unpaved roads and construction activities also plays a role, particularly during drier months. The city’s location within a rain shadow area can exacerbate pollution build-up.

Dhone experiences a tropical climate with distinct wet and dry seasons. Air quality generally worsens during the dry season, from November to May, as rainfall is minimal and winds are calm, leading to pollutant accumulation. January and February often see temperature inversions, trapping pollutants near the ground. Dust storms are common during March and April, significantly increasing particulate matter concentrations. The monsoon season, from June to October, brings relief with heavy rainfall washing away pollutants and increasing humidity, improving air quality. However, increased traffic congestion due to monsoon-related disruptions can locally elevate emissions. Post-monsoon, in November, a slight deterioration can occur as agricultural residue burning increases. Sensitive groups – children, the elderly, and those with respiratory conditions – should limit outdoor activity during the peak dry season months of March, April, and May. During the monsoon, while air is cleaner, the increased humidity can exacerbate respiratory issues for some. Avoiding peak traffic hours and staying indoors during dust storms are recommended. The relatively stable atmospheric conditions during the dry season require heightened awareness and preventative measures.