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Sillod, a city nestled in the Aurangabad district of Maharashtra, India, occupies a central position within the state’s semi-arid Deccan Plateau. Located at approximately 20.3000°N latitude and 75.6500°E longitude, the city’s terrain is largely flat to gently undulating, characteristic of the region’s basaltic plains. Sillod’s elevation, around 536 meters (1759 feet), influences local wind patterns and temperature variations. The surrounding landscape is predominantly agricultural, with significant cultivation of cotton, sugarcane, and pulses. This agricultural activity, while economically vital, contributes to seasonal biomass burning, a key factor in local air quality. The city isn’t directly adjacent to major bodies of water, though the Godavari River flows within a reasonable distance, influencing regional humidity. While Sillod isn’t a major industrial hub itself, its proximity to Aurangabad, a growing industrial centre, means it experiences some degree of industrial influence via transport corridors. The urban-rural gradient is relatively sharp; the city core quickly transitions to agricultural fields, impacting dispersion of pollutants. The prevailing winds, influenced by the monsoon and regional topography, play a crucial role in pollutant transport and accumulation, often channeling emissions towards residential areas. This geographical setting creates a unique challenge for maintaining clean air.

Sillod’s air quality follows a distinct seasonal pattern. The post-monsoon period, from October to November, often sees a temporary improvement due to rainfall washing away accumulated pollutants. However, this is short-lived. Winter (December-February) brings cooler temperatures and increased temperature inversions, trapping pollutants near the ground, leading to poorer air quality. Biomass burning from agricultural practices after the harvest season exacerbates this issue. March to May marks the pre-monsoon period, characterized by rising temperatures, dust storms, and increased industrial activity, resulting in a significant deterioration in air quality. The summer months are particularly challenging for respiratory health. The arrival of the monsoon (June-September) provides a respite, as heavy rainfall effectively cleanses the atmosphere. However, increased humidity can also promote the formation of secondary pollutants. Sensitive groups – children, the elderly, and those with pre-existing respiratory conditions – should limit outdoor activity during the winter and pre-monsoon seasons. Avoiding peak hours near agricultural areas during harvest is also advisable. Monitoring local conditions and heeding health advisories are crucial for protecting well-being throughout the year.