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Belampalli, nestled in the Mancherial district of Andhra Pradesh, India, occupies a geographically significant position within the Godavari River basin. Located at 19.0756°N, 79.4881°E, the city sits at an elevation of approximately 182 meters (597 feet), contributing to a relatively flat terrain characteristic of the Deccan Plateau. The surrounding landscape is dominated by forested hills and agricultural lands, primarily rice paddies and cotton farms. The Godavari River, a vital lifeline for the region, flows nearby, influencing local humidity and potentially contributing to localized temperature inversions. Belampalli’s urban character is defined by its role as a coal mining and thermal power generation hub, a key factor impacting its air quality. The city experiences a distinct urban-rural gradient, with surrounding villages engaged in agriculture. Industrial activity concentrates towards the city centre, creating pollution hotspots. The proximity to coalfields and power plants introduces significant particulate matter and gaseous pollutants. The prevailing winds, influenced by the monsoon patterns and regional topography, play a crucial role in dispersing or concentrating these pollutants. Understanding this interplay between geography, industry, and climate is essential for addressing Belampalli’s air quality challenges.

Belampalli experiences a tropical climate with distinct wet and dry seasons, profoundly influencing air quality. The dry season, from November to May, witnesses consistently poorer air quality. Lower humidity and stagnant air masses allow pollutants from coal mining and thermal power plants to accumulate, exacerbated by dust from agricultural activities. February and March are typically the worst months, with increased thermal inversions trapping pollutants near the ground. The monsoon season, arriving in June and lasting until October, brings temporary relief. Heavy rainfall washes away particulate matter, and increased wind speeds disperse pollutants. However, increased humidity can also promote the formation of secondary pollutants. August and September, while offering cleaner air, can experience localised flooding impacting waste management and potentially releasing pollutants. Sensitive groups – children, the elderly, and those with respiratory conditions – should limit outdoor activity during the dry season, particularly February-March. During the monsoon, maintaining good hygiene is crucial to prevent waterborne diseases, which can be aggravated by poor air quality. The post-monsoon period (October-November) sees a gradual deterioration as the dry season approaches.