Ambohimiera Air Quality Index (AQI)

Loading live AQI data...

Loading historical AQI trends...

Ambohimiera, nestled within the Fianarantsoa Province of Madagascar, occupies a geographically significant position in the island’s central highlands. Located at approximately -21.0551 latitude and 47.5059 longitude, the town sits at an elevation that contributes to its relatively cool climate compared to coastal regions. The surrounding landscape is dominated by rolling hills and dense, subtropical forests, characteristic of the eastern slopes of the Andringitra Massif, a prominent geological feature. This proximity to the massif influences local weather patterns and provides a degree of natural air filtration, though the forests themselves can occasionally release biogenic volatile organic compounds (BVOCs). The urban character of Ambohimiera is distinctly rural, with a population of just under 14,000, reflecting a primarily agricultural economy. The town’s location is not near major industrial belts; instead, the dominant land use is small-scale farming, primarily focused on coffee, rice, and maize cultivation. This agricultural activity, while vital to the local economy, can contribute to localized air pollution through the burning of agricultural waste and the use of fertilizers. The urban-rural gradient is gradual, with the town seamlessly blending into the surrounding agricultural lands and forested areas. The nearest significant body of water is likely a smaller river or stream, contributing to localized humidity but not significantly impacting regional air quality patterns. Topographically, the area is gently undulating, which can influence the dispersion of pollutants, potentially leading to localized concentrations in valleys or sheltered areas.

Ambohimiera’s air quality is intrinsically linked to Madagascar’s distinct wet and dry seasons. The dry season, typically spanning from May to October, often sees a slight improvement in air quality due to reduced humidity and less frequent rainfall washing out particulate matter. However, this period also coincides with increased agricultural burning as farmers clear fields for planting, leading to temporary spikes in smoke and particulate pollution, particularly in the immediate vicinity of agricultural zones. The wet season, from November to April, brings frequent rainfall and higher humidity, generally resulting in cleaner air as pollutants are scavenged from the atmosphere. Fog, common during the wet season, can trap pollutants near the ground, creating localized pockets of poorer air quality, especially in the mornings. Temperature inversions, though less frequent than in colder climates, can occasionally occur during the cooler months (June-August), trapping pollutants closer to the surface. Wind patterns play a crucial role; prevailing winds from the east, influenced by the Indian Ocean, generally disperse pollutants, but periods of calm can lead to stagnation. Sensitive groups, such as children, the elderly, and individuals with respiratory conditions, should be particularly cautious during agricultural burning periods (September-November) and during foggy mornings in the wet season. Outdoor activities are generally more favorable during the drier months, avoiding the periods of agricultural burning. The intensity of rainfall and the frequency of fog are key indicators of potential air quality fluctuations throughout the year.