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Bārdoli, situated in the Surat district of Gujarat, India, occupies a strategic position within the Tapi River basin, approximately 30 kilometers east of Surat city. The town lies at an elevation of around 30 meters above sea level, nestled within the flat alluvial plains characteristic of South Gujarat's coastal region. This geography places Bārdoli at the intersection of urban-industrial and agricultural landscapes, creating a unique air quality profile influenced by multiple factors. To the west, proximity to Surat—a major industrial hub with textile, chemical, and diamond processing units—means Bārdoli often experiences transported pollutants via prevailing westerly winds, especially during dry seasons. The surrounding terrain is predominantly agricultural, with extensive sugarcane, cotton, and paddy fields that contribute seasonal biomass burning emissions during post-harvest periods. The Tapi River flows nearby, but its limited water volume during non-monsoon months does little to mitigate particulate matter. Bārdoli's urban-rural gradient shows a compact town center with moderate vehicular density, surrounded by peri-urban settlements transitioning to farmland. This setting means air quality is affected by local sources like road dust, residential combustion, and small-scale industries, compounded by regional pollution from the Surat industrial belt. The flat topography inhibits natural ventilation, allowing pollutants to accumulate, particularly during calm wind conditions common in winter.

Bārdoli's air quality follows a distinct seasonal rhythm shaped by Gujarat's climate. Winter (December-February) brings the worst pollution, with cold, stable conditions leading to temperature inversions that trap particulate matter and gases near the surface. Mornings often see dense fog mixing with haze, reducing visibility and exacerbating respiratory issues—sensitive groups should limit outdoor activity during these months, especially early mornings. Spring (March-May) sees gradual improvement as temperatures rise and winds increase, though occasional dust storms from the arid northwest can spike particulate levels temporarily. The pre-monsoon heat also intensifies ozone formation, posing risks for those with lung conditions. Summer (June-August) offers relief with the southwest monsoon, as heavy rains scrub pollutants from the air and strong winds disperse emissions; this is the best time for outdoor activities, though high humidity may affect some individuals. Autumn (September-November) begins with clean air post-monsoon but deteriorates as agricultural burning resumes and wind patterns shift, leading to a buildup of smoke and dust. Sensitive groups, including children, elderly, and those with asthma, should monitor local air quality reports year-round, use masks during peak pollution periods, and plan outdoor exercise for late mornings or evenings when dispersion is better.