Kundal Air Quality Index (AQI)

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Kundal, a small town in the Jehanabad district of Bihar, India, sits at coordinates 25.7620°N, 86.2081°E. The landscape is characteristic of the Indo-Gangetic Plain – a flat, fertile alluvial plain formed by the deposition of sediments from the Ganges and its tributaries. Kundal’s elevation is relatively low, contributing to limited atmospheric dispersion of pollutants. The town is not directly adjacent to a major river, though it lies within the broader watershed of the Son River, influencing local humidity and potential for localized flooding during the monsoon. Surrounding Kundal are predominantly agricultural lands, primarily dedicated to rice and wheat cultivation. This agricultural activity, while vital to the local economy, contributes to air pollution through seasonal crop residue burning. The urban-rural gradient is sharp; Kundal itself is a concentrated settlement amidst a largely rural backdrop. The region experiences limited industrial development, but the increasing use of brick kilns in nearby areas, alongside vehicular emissions from the expanding road network connecting Jehanabad and Gaya, are emerging pollution sources. The flat terrain and lack of significant natural barriers hinder the flushing out of pollutants, exacerbating air quality concerns, particularly during periods of calm weather. This geographical setting dictates the town’s vulnerability to air pollution accumulation.

Kundal’s air quality follows a distinct seasonal pattern. The post-monsoon period, from October to November, often sees the worst conditions. The cessation of monsoon rains removes the natural cleansing effect of precipitation, while the burning of crop residue after the harvest contributes significantly to particulate matter pollution. Temperature inversions are common during these cooler months, trapping pollutants near the ground. December and January bring cooler temperatures and often foggy conditions, further reducing dispersion. The summer months, from April to June, are generally better, with higher temperatures and winds aiding in pollutant dispersal, though dust storms can temporarily degrade air quality. The monsoon season, July to September, provides a temporary respite, as rainfall washes pollutants from the atmosphere. However, increased humidity can also promote the formation of secondary pollutants. Sensitive groups – children, the elderly, and those with respiratory conditions – should avoid prolonged outdoor activity during October-November and periods of high dust. March-April can also be problematic due to pre-monsoon dust. Monitoring local weather patterns and avoiding peak pollution times is crucial for protecting respiratory health. The transition periods between seasons are often marked by fluctuating air quality.