Damonojodi Air Quality Index (AQI)

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Damonojodi, nestled in the Ganjam district of Odisha, India, occupies a geographically significant position within the eastern coastal plains. Located at approximately 18.7632° N latitude and 82.9194° E longitude, the town’s terrain is predominantly flat, characteristic of the fertile delta region formed by the Rushikulya River. This river, flowing eastward into the Bay of Bengal, plays a crucial role in the local ecosystem and influences regional humidity levels. Damonojodi’s proximity to the coastline (roughly 15-20 kilometers) means it experiences a maritime climate, moderating temperature extremes but also introducing coastal breezes that can carry pollutants inland. The surrounding landscape is a mosaic of agricultural fields – primarily rice paddies and pulses – interspersed with small villages and pockets of cashew plantations, a common feature of the Ganjam region. The urban–rural gradient is relatively gradual; Damonojodi itself is a small town, and the transition to rural agricultural land is seamless. While not directly adjacent to major industrial belts, it’s within a reasonable distance of industrial zones concentrated further north along the coastal highway, potentially impacting air quality through transported pollutants. The elevation is low, generally below 30 meters above sea level, which can exacerbate the trapping of pollutants, particularly during periods of stagnant air. The flat topography limits natural ventilation, and the prevalence of agricultural burning during harvest seasons contributes to localized particulate matter pollution. The soil composition, largely alluvial, also influences dust generation, especially during drier periods.

Damonojodi’s air quality follows a distinct seasonal pattern dictated by the region’s tropical monsoon climate. The monsoon season, typically spanning June to September, brings relief from accumulated pollutants due to frequent rainfall and strong winds that effectively disperse airborne particles. However, the preceding pre-monsoon months (March-May) often witness a significant deterioration in air quality. High temperatures and minimal rainfall create stable atmospheric conditions, fostering temperature inversions where cooler air becomes trapped beneath a layer of warmer air, preventing vertical mixing and concentrating pollutants near the ground. Agricultural burning, a common practice during this period to clear fields for the kharif (summer) crop, contributes substantially to particulate matter pollution. The post-monsoon season (October-November) sees a gradual improvement as winds pick up, but lingering agricultural smoke and cooler temperatures can still lead to localized poor air quality. Winter months (December-February) are generally characterized by calmer winds and occasional fog, particularly in the early morning. This fog traps pollutants, leading to periods of reduced visibility and elevated concentrations of fine particulate matter. Sensitive groups, including children, the elderly, and individuals with respiratory conditions, should exercise caution during the pre-monsoon and winter months, limiting outdoor exertion and wearing appropriate masks when air quality is visibly compromised. Maintaining indoor air quality through ventilation and air purifiers is also advisable during these periods. The intensity of the monsoon directly influences the cleansing effect on the atmosphere, making it the most favourable time for outdoor activities.