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Talibon, nestled on the island of Bohol in the Philippines, presents a unique geographic context influencing its air quality. Situated at coordinates 10.1200, 124.2800, the municipality occupies a coastal plain transitioning into gently rolling hills inland. The terrain is largely composed of limestone, typical of the Chocolate Hills region further inland, though Talibon’s landscape is less dramatically karst. Its location on Bohol’s northern coast directly impacts air quality, with prevailing winds carrying pollutants from both marine sources and inland activities. The Bohol Sea to the north and east provides some natural dispersion, but also contributes to humidity and potential salt spray. Talibon’s economy is primarily agricultural, with rice paddies and coconut plantations dominating the surrounding landscape. While not heavily industrialized, small-scale processing of agricultural products and increasing vehicular traffic contribute to localized pollution. The urban-rural gradient is relatively sharp; the town proper is densely populated, while surrounding areas remain largely rural. This proximity creates a dynamic where agricultural burning, common during land preparation, can significantly impact air quality in the town centre. The relatively low elevation, averaging around 25 meters above sea level, limits atmospheric mixing and can exacerbate pollution episodes.

Talibon experiences a distinct wet and dry season, profoundly impacting air quality. The dry season, typically from February to May, sees a peak in particulate matter due to increased agricultural burning for land preparation and drier conditions facilitating dust suspension. Wind patterns during this period are generally weaker, reducing dispersion. March and April are often the months with the poorest air quality. The onset of the wet season in June brings a significant improvement, as rainfall washes away pollutants and increased humidity suppresses dust. However, localized flooding can also contribute to mold growth and indoor air quality issues. The monsoon season, peaking from November to January, brings strong winds that can temporarily improve air quality by dispersing pollutants, but also carries sea spray, potentially increasing respiratory irritation. August and September generally offer the most favourable conditions for outdoor activity, with consistent rainfall and moderate temperatures. Sensitive groups – children, the elderly, and those with respiratory conditions – should limit outdoor exposure during the dry season and be mindful of potential mold issues during the wet season. Monitoring wind direction during monsoon periods is also advisable.