Anda Air Quality Index (AQI)

Loading live AQI data...

Loading historical AQI trends...

Anda, Bohol, nestled on the southeastern coast of the island, occupies a geographically significant position within the Central Visayas region of the Philippines. Its coordinates (9.7440, 124.5760) place it within a predominantly coastal plain, gently sloping towards the Bohol Sea. The terrain is characterized by limestone hills and ridges that run parallel to the coastline, influencing local wind patterns and creating microclimates. Anda’s urban character is distinctly rural, reflecting its small population of approximately 17,778. The town’s economy is heavily reliant on tourism, fishing, and small-scale agriculture, primarily coconut and rice cultivation. Surrounding Anda is a mosaic of agricultural land interspersed with patches of secondary forest and mangrove ecosystems along the shoreline. The urban–rural gradient is gradual, with agricultural activities extending relatively close to the town center. The proximity to the Bohol Sea moderates temperatures and introduces maritime influences on air quality, potentially dispersing pollutants but also introducing sea salt aerosols. While Anda isn't directly adjacent to major industrial belts, the broader Bohol province experiences some agricultural burning during land preparation, which can contribute to regional haze. The limestone karst topography also influences drainage patterns and can affect the dispersion of pollutants, trapping them in localized areas under certain meteorological conditions. The elevation is relatively low, generally below 50 meters, minimizing the potential for significant altitude-related air quality variations.

Anda’s tropical climate dictates a distinct wet and dry season, profoundly impacting its air quality profile. The dry season, typically spanning from March to May, often sees a slight increase in particulate matter due to agricultural burning practices in surrounding areas preparing fields for planting. While not industrial, these localized burns can contribute to temporary haze, particularly during periods of calm winds. The wet season, from June to November, brings frequent rainfall and increased humidity, generally leading to improved air quality as precipitation washes away pollutants and higher humidity traps particulate matter. However, intense storms can stir up dust and debris, temporarily degrading air quality. The northeast monsoon (Amihan), from November to February, brings cooler temperatures and stronger winds, which effectively disperse pollutants, resulting in the cleanest air quality during this period. Fog, though infrequent, can occasionally form during the cooler months, trapping pollutants near the ground and creating localized pockets of reduced visibility. Sensitive groups, such as children, the elderly, and individuals with respiratory conditions, should be mindful of potential particulate matter increases during the dry season and take precautions like limiting outdoor activity during periods of visible haze. During the wet season, while overall air quality is generally better, be aware of potential dust and debris stirred up by storms. The interplay of these seasonal factors creates a dynamic air quality environment in Anda, influenced by both local agricultural practices and broader regional weather patterns.