Renukūt Air Quality Index (AQI)

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Renukūt, nestled in the Sonbhadra district of Uttar Pradesh, India, occupies a unique geographical position within the Vindhya Range. Situated at approximately 24.2000°N latitude and 83.0300°E longitude, the city’s terrain is characterised by undulating hills and plateaus, a direct consequence of its location within this ancient mountain system. The Rihand Dam, a significant reservoir created by the Rihand River, dominates the landscape to the north, influencing local humidity and potentially trapping pollutants during temperature inversions. Renukūt’s development is intrinsically linked to the Singrauli coalfields, forming part of a larger industrial belt spanning into neighbouring Madhya Pradesh. This proximity to extensive coal mining and thermal power plants is a major determinant of its air quality. The urban-rural gradient is relatively sharp; the city itself is a concentrated industrial and residential hub, quickly giving way to agricultural lands and forested hills. Dust from mining operations, combined with emissions from power generation, are readily dispersed by prevailing winds, impacting both the immediate vicinity and downwind areas. The elevation, while not extreme, contributes to the potential for localised air stagnation, particularly during calmer weather conditions. The surrounding landscape offers limited natural ventilation, exacerbating pollution build-up.

Renukūt experiences a distinct seasonal air quality pattern. The post-monsoon period, from October to November, often sees the worst conditions. Reduced rainfall and cooler temperatures lead to increased concentrations of particulate matter from construction, agricultural burning, and industrial sources. Temperature inversions are common during these months, trapping pollutants near the ground. December and January bring slightly improved conditions due to increased wind speeds, but persistent cold air can still lead to stagnation. The pre-monsoon months of March to May are particularly challenging. Rising temperatures and dry winds stir up dust from mining areas and roads, significantly degrading air quality. May is often the most polluted month. The monsoon season, from June to September, provides a temporary respite. Heavy rainfall effectively washes away pollutants, and increased humidity reduces dust suspension. However, increased cloud cover can also contribute to localised temperature inversions. Sensitive groups – children, the elderly, and those with respiratory conditions – should limit outdoor activity during October-November and March-May. During the monsoon, while air is cleaner, increased humidity can exacerbate respiratory issues for some. Monitoring local weather patterns is crucial for informed decision-making.