Manoharpur Air Quality Index (AQI)

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Manoharpur, nestled within the state of Jharkhand in eastern India, occupies a geographically significant position within the Chota Nagpur Plateau. Located at coordinates 22.3746°N, 85.1923°E, the town’s terrain is characterised by undulating hills and forested valleys, typical of the plateau’s landscape. With a relatively small population of 14,265, Manoharpur exhibits a strong urban-rural gradient, bordering extensive agricultural lands and pockets of dense sal forests. The surrounding region is rich in mineral resources, contributing to localised industrial activity, primarily related to mining and processing of these materials. This proximity to industrial sources is a key factor influencing air quality. The town isn’t directly adjacent to any major bodies of water, though smaller streams and rivers dissect the landscape, influencing local humidity and potentially trapping pollutants during temperature inversions. Elevation plays a role, with the plateau’s height impacting atmospheric circulation patterns. The prevailing winds, influenced by the monsoon and regional topography, dictate the dispersion of pollutants. The rural surroundings, while providing some natural filtration, also contribute to seasonal biomass burning, impacting air quality, particularly during post-harvest periods. The overall geography creates a complex interplay of factors affecting Manoharpur’s atmospheric composition.

Manoharpur experiences a distinct seasonal air quality pattern dictated by the monsoon and post-monsoon periods. The monsoon season (June-September) generally brings improved air quality due to rainfall washing away particulate matter and suppressing dust. However, increased humidity can also foster mould growth, impacting respiratory health. October-November sees a deterioration as the monsoon retreats, and agricultural residue burning becomes prevalent, releasing significant smoke and pollutants. This period is often marked by stagnant air and temperature inversions, trapping pollutants near the ground. Winter (December-February) brings cooler temperatures and often foggy conditions, exacerbating pollution levels as emissions are unable to disperse effectively. This is a period to avoid strenuous outdoor activity, especially for those with pre-existing respiratory conditions. March-May is characterised by rising temperatures and dry winds, leading to increased dust and potential for wildfires, further degrading air quality. Sensitive groups – children, the elderly, and those with respiratory illnesses – should limit outdoor exposure during these months. Monitoring wind patterns and avoiding peak pollution times are crucial for maintaining health.