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Gorāya, a small town nestled in the fertile plains of Punjab, India, occupies a geographically significant position within the broader Indo-Gangetic Plain. Located at approximately 31.1241° N, 75.7724° E, the town’s elevation is relatively low, around 225 meters above sea level, contributing to atmospheric stability and potential for pollution accumulation. The surrounding landscape is overwhelmingly agricultural, characterized by expansive fields of wheat, rice, and sugarcane – a typical feature of Punjab’s rural economy. This intensive agricultural activity, reliant on irrigation from the nearby Bein River and canal systems, releases significant amounts of ammonia and particulate matter from fertilizer use and crop residue burning, particularly during post-harvest seasons. Gorāya sits on the edge of an urban–rural gradient, experiencing increasing pressure from nearby Jalandhar, a larger urban center, which introduces vehicular emissions and industrial pollutants. The flat terrain, typical of the Punjab plains, limits natural dispersion of pollutants, especially when coupled with stagnant air conditions. The absence of significant topographic barriers means that pollutants originating from distant industrial belts in the region can readily impact Gorāya’s air quality. The town’s proximity to agricultural lands and the gradual encroachment of urban influences create a complex interplay of factors that shape its atmospheric environment, making it vulnerable to both agricultural and industrial pollution sources. The Bein River, while a vital water source, can also contribute to localized humidity, influencing the behavior of particulate matter.

Gorāya’s air quality follows a distinct seasonal pattern dictated by the region’s monsoonal climate and agricultural practices. The dry winter months (November to February) are typically the most challenging. Cold temperatures frequently lead to temperature inversions, trapping pollutants near the ground and exacerbating air stagnation. Dense fog, a common occurrence during this period, further restricts dispersion and increases particulate matter concentrations. Post-harvest crop residue burning, a widespread practice to quickly clear fields for the next planting season, releases massive quantities of smoke and particulate matter, significantly degrading air quality. Spring (March-May) sees a gradual improvement as temperatures rise and winds increase, aiding in pollutant dispersal. The onset of the monsoon (June-September) brings relief, with rainfall washing away pollutants and strong winds clearing the atmosphere. However, heavy rainfall can also temporarily increase humidity, affecting the perception of air quality. The monsoon season generally offers the most favourable conditions for outdoor activities. The autumn months (October) are a transitional period, with decreasing rainfall and increasing temperatures, but before the full impact of winter inversions and crop burning. Sensitive groups, including children, the elderly, and individuals with respiratory conditions, should exercise caution during the winter months, limiting outdoor exposure and using air purifiers when possible. During the peak burning season, wearing masks and avoiding strenuous outdoor activity is strongly advised. The monsoon provides a window of relatively cleaner air, but vigilance is still necessary, particularly regarding pollen counts during the transition to spring.