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Tabango, Leyte, nestled on the western coast of Samar Island in the Philippines, occupies a geographically significant position within the Visayas region. Its coordinates (11.3067, 124.3714) place it within a coastal plain characterized by gently sloping terrain, transitioning to slightly elevated inland areas. The municipality borders the Visayan Sea, a crucial waterway for maritime trade and fishing, and is surrounded by a mosaic of agricultural lands – primarily rice paddies and coconut plantations – forming a distinct urban-rural gradient. The landscape is dominated by low-lying hills and scattered groves, typical of the region's volcanic origins. Tabango’s proximity to the Visayan Sea influences its climate and, consequently, its air quality. Sea breezes are a dominant feature, generally dispersing pollutants, but can also carry marine aerosols. The surrounding agricultural zones, while vital for the local economy, contribute to particulate matter through farming practices, particularly during harvest seasons. There are no major industrial belts immediately adjacent to Tabango; however, larger industrial areas in nearby cities like Tacloban can occasionally influence regional air quality patterns. The relatively low elevation (generally below 50 meters) limits vertical mixing, potentially trapping pollutants under certain meteorological conditions. The town’s layout is primarily rural, with a small central area exhibiting a modest level of urban development, meaning vehicle emissions are a localized concern rather than a widespread issue. The overall geography promotes a generally moderate air quality, though susceptible to seasonal variations and occasional regional influences.

Tabango’s tropical climate dictates a wet and dry season pattern, significantly impacting its air quality. The dry season, typically spanning from March to May, often sees a slight increase in particulate matter. This is due to reduced rainfall, which limits the natural cleansing effect of precipitation, and increased agricultural burning for land preparation, releasing smoke and ash into the atmosphere. Temperature inversions, more common during these months, can trap pollutants near the ground, exacerbating the issue. The prevailing winds during this period are generally easterly, potentially carrying pollutants from other parts of Leyte. Conversely, the wet season (June to November) brings frequent rainfall and stronger winds, effectively flushing the atmosphere and leading to improved air quality. Monsoon rains, particularly during July and August, are particularly effective at removing particulate matter. Fog, while less frequent, can occasionally form during the transition periods (November-December and February-March), temporarily reducing visibility and trapping pollutants. December to February represents a transitional period with cooler temperatures and occasional light rainfall, resulting in relatively stable air quality. Sensitive groups, such as children, the elderly, and individuals with respiratory conditions, should exercise caution during the dry season, particularly during agricultural burning periods. Outdoor activities are generally more favorable during the wet season, although heavy rainfall can still impact visibility and comfort. Maintaining awareness of local weather patterns and agricultural practices is key to minimizing exposure to potential air quality concerns.