Bayombong Air Quality Index (AQI)

Loading live AQI data...

Loading historical AQI trends...

Bayombong, nestled in the heart of Nueva Vizcaya, Philippines (16.4800°N, 121.1500°E), occupies a unique geographic position within the Cordillera Central mountain range. The town sits at an elevation of approximately 350 meters above sea level, contributing to a generally cooler climate than many lowland Philippine cities. Bayombong isn’t directly coastal, but benefits from proximity to the Magat River and reservoir, a crucial water source and influencing local humidity. The surrounding landscape is predominantly agricultural, characterized by rice paddies, cornfields, and fruit orchards, defining a strong urban-rural gradient. While Bayombong functions as a regional commercial hub, it lacks significant heavy industry within its immediate boundaries. However, the broader Nueva Vizcaya province experiences some mining activity further north, and transport routes connecting to these areas pass through or near Bayombong. This transport network, coupled with agricultural practices like crop burning, significantly impacts local air quality. The terrain, a mix of rolling hills and valleys, can trap pollutants during periods of calm weather, exacerbating air quality issues. The town’s growth is increasingly blurring the lines between urban and agricultural land, leading to increased vehicle emissions and dust from construction.

Bayombong experiences a pronounced wet and dry season, dictating the annual air quality narrative. The dry season, typically from March to May, sees a peak in particulate matter pollution. This is driven by increased agricultural burning to prepare fields for planting, alongside drier conditions leading to dust resuspension from unpaved roads and construction sites. Temperature inversions, common during calm mornings in the dry season, trap pollutants near ground level. Conversely, the wet season (June to November), brought by the southwest monsoon, generally improves air quality. Rainfall effectively washes away pollutants, and increased humidity reduces dust. However, the monsoon can also contribute to localised flooding, potentially releasing pollutants from sediment. December to February offers the most favourable air quality, with cooler temperatures and intermittent rainfall. Sensitive groups – children, the elderly, and those with respiratory conditions – should limit outdoor activity during peak dry season months (March-May). During the wet season, be mindful of potential mould growth indoors due to increased humidity. Monitoring wind direction is crucial; winds from agricultural areas during burning season will carry higher pollution levels.