Pandua Air Quality Index (AQI)

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Pandua, a municipality in West Bengal, India, sits at coordinates 23.0800°N, 88.2800°E, within the fertile Hugli River basin. The city’s terrain is largely flat, characteristic of the Ganges Delta, with an elevation hovering around 10 meters above sea level. This low-lying position makes it susceptible to localised flooding during heavy monsoon rains. Pandua is strategically positioned along the Kolkata-Siliguri railway line and National Highway 34, fostering significant transport activity. Surrounding the urban core is a predominantly agricultural landscape, dominated by rice paddies and jute cultivation. The proximity to the Hugli River, a major waterway, influences local humidity and can contribute to stagnant air conditions. While not directly within a major industrial belt, the broader region of West Bengal experiences industrial activity related to jute processing, textiles, and small-scale manufacturing, contributing to regional background pollution. The urban-rural gradient is relatively sharp, with a rapid transition from densely populated areas to agricultural fields. This proximity to agricultural practices introduces seasonal biomass burning, a key factor in localised air quality. The city’s growth, coupled with increasing vehicular traffic, exacerbates pollution challenges, particularly during periods of meteorological stillness.

Pandua’s air quality follows a distinct seasonal pattern. The post-monsoon period, from October to November, often sees a deterioration in air quality. Reduced rainfall and cooler temperatures lead to temperature inversions, trapping pollutants near the ground. This coincides with increased agricultural burning as farmers clear fields after the harvest. Winter, from December to February, brings calmer winds and persistent inversions, further concentrating pollutants. This is generally the period of poorest air quality, with increased respiratory issues reported. The pre-monsoon months, March to May, are characterised by rising temperatures and dust storms, elevating particulate matter levels. The arrival of the monsoon in June brings a temporary respite, as rainfall washes away pollutants and increased humidity suppresses dust. However, increased cloud cover can also exacerbate temperature inversions. The monsoon season, lasting until September, generally offers the cleanest air, though localised flooding can create stagnant conditions. Sensitive groups – children, the elderly, and those with respiratory conditions – should limit outdoor activity during the winter and pre-monsoon seasons. Monitoring local conditions and avoiding peak traffic hours are advisable year-round.