Cuartero Air Quality Index (AQI)

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Cuartero, a coastal municipality in the province of Capiz, Philippines, occupies a strategic position on the northwestern coast of Panay Island. Its coordinates, 11.3428° N, 122.6714° E, place it within a predominantly low-lying, alluvial plain formed by the Jalaur River and its tributaries. The terrain is gently undulating, transitioning from sandy beaches and mangrove forests along the coastline to slightly elevated agricultural lands inland. The municipality borders the vast Visayan Sea, influencing local weather patterns and providing a crucial source of livelihood through fishing. Surrounding Cuartero is a mosaic of rice paddies, coconut plantations, and small-scale farms, representing a gradual urban-rural gradient. While Cuartero itself is a relatively small urban center, it serves as a regional trading hub for agricultural produce from the surrounding Capiz province. The Jalaur River, a significant waterway, flows through the municipality, potentially impacting localized air quality through moisture and particulate matter transport. There are no major industrial belts immediately adjacent to Cuartero; however, larger industrial areas are located further south in Iloilo province, and prevailing winds can occasionally carry pollutants northward. The coastal location means that sea breezes play a significant role in dispersing pollutants, but also introduce salt spray and marine aerosols into the air. The relatively flat topography limits vertical mixing, potentially trapping pollutants under certain meteorological conditions. The surrounding landscape, dominated by agriculture, contributes to seasonal particulate matter from agricultural burning, a factor influencing air quality.

Cuartero’s tropical climate dictates a distinct wet and dry season, profoundly influencing its air quality. The dry season, typically spanning November to May, often sees a slight improvement in air quality due to reduced rainfall and lower humidity. However, this period also coincides with increased agricultural activity, particularly the burning of rice stalks after harvest, which releases significant particulate matter into the atmosphere. The months of March and April are particularly susceptible to this agricultural burning, creating localized haze and impacting visibility. The wet season, from June to October, brings frequent rainfall and high humidity, generally leading to cleaner air as precipitation washes away pollutants. Monsoon winds during this period can also help disperse contaminants. Fog, though infrequent, can occasionally form during the cooler months (December-January), trapping pollutants near the ground and exacerbating air quality issues. Temperature inversions, where cooler air is trapped beneath warmer air, are less common but can occur, particularly during the transition periods between seasons, hindering vertical mixing and leading to pollutant accumulation. Sensitive groups, such as children, the elderly, and individuals with respiratory conditions, should exercise caution during the dry season, especially when agricultural burning is prevalent. Limiting outdoor exertion during periods of visible haze is advisable. During the wet season, while overall air quality is generally better, the high humidity can still aggravate respiratory problems for some individuals. Staying informed about local weather conditions and potential agricultural burning alerts is crucial for managing personal exposure.