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Godda, Jharkhand, nestled in the Santhal Pargana division, occupies a geographically significant position within eastern India. Located at approximately 24.83° N latitude and 87.21° E longitude, the city sits at an elevation of roughly 218 meters (715 feet) above sea level, contributing to a relatively moderate climate. The surrounding landscape is characterized by undulating plains and gently sloping hills, transitioning into the Chota Nagpur Plateau further east. This terrain influences local wind patterns, sometimes trapping pollutants within the valley during periods of low wind speed. Godda’s proximity to the Bangladesh border (approximately 80 km) and its location within a developing industrial belt, particularly related to coal mining and power generation, are crucial factors impacting air quality. The region is predominantly agricultural, with rice and maize cultivation being major activities; agricultural burning, especially during post-harvest seasons, contributes significantly to particulate matter pollution. The urban–rural gradient around Godda is gradual, with smaller towns and villages blending seamlessly into the agricultural landscape. The nearby Damodar River, though not directly adjacent to the city, influences regional humidity and weather patterns. The city’s location within a relatively sparsely populated area means that while industrial emissions are a concern, the overall population density is lower than in major metropolitan areas, potentially moderating some pollution impacts, though localized hotspots can still emerge around industrial zones. The geological composition of the area, with underlying coal deposits, also contributes to fugitive dust emissions during mining operations.

Godda’s air quality exhibits a distinct seasonal pattern dictated by the interplay of meteorological factors and regional activities. The pre-monsoon season (March-May) typically witnesses the poorest air quality. Rising temperatures lead to increased stagnant air conditions, fostering temperature inversions that trap pollutants close to the ground. Agricultural burning intensifies during this period as farmers clear fields for the next planting season, releasing substantial amounts of smoke and particulate matter. Dust from construction activities and unpaved roads further exacerbates the situation. The monsoon season (June-September) brings a welcome respite, with increased rainfall and stronger winds dispersing pollutants. Humidity levels rise significantly, which can affect respiratory comfort for some individuals. The post-monsoon season (October-November) sees a return to drier conditions and a gradual increase in pollution levels, mirroring the pre-monsoon pattern, with agricultural burning again becoming a significant contributor. Winter months (December-February) are characterized by cooler temperatures and frequent fog, which further restricts atmospheric mixing and traps pollutants, particularly in the mornings. Sensitive groups, including children, the elderly, and individuals with pre-existing respiratory conditions, should limit outdoor exertion during the pre-monsoon and winter months, especially on days with dense fog. Maintaining indoor air quality through ventilation and air purifiers is also advisable. Public health advisories regarding agricultural burning should be closely monitored and adhered to, and efforts to reduce dust from construction sites are crucial for mitigating pollution impacts.