Fandriana Air Quality Index (AQI)

Loading live AQI data...

Loading weather snapshot...

Loading historical AQI trends...

Fandriana, nestled within the Betsileo Highlands of Fianarantsoa Province, Madagascar, occupies a geographically significant position influencing its air quality. Located at approximately -20.2296° latitude and 47.3745° longitude, the city sits at an elevation of roughly 1,350 meters (4,430 feet) above sea level, contributing to cooler temperatures and potentially affecting atmospheric stability. The surrounding landscape is dominated by rolling hills and terraced rice paddies, characteristic of the Betsileo agricultural region. This intensive agricultural activity, while vital to the local economy, can contribute to localized particulate matter pollution, particularly during planting and harvesting seasons when burning of agricultural residues may occur. The urban-rural gradient transitions rapidly from the town center to the surrounding agricultural lands, creating a patchwork of residential areas, small-scale industries (often involving wood processing), and extensive farmland. While Fandriana lacks immediate proximity to major rivers or lakes, the region receives significant rainfall, influencing humidity levels and potentially impacting the dispersion of pollutants. The terrain, with its undulating hills, can create localized areas of stagnant air, especially during periods of low wind, which can exacerbate air quality issues. The city’s regional position, relatively isolated within the highlands, means it is less influenced by coastal air masses and industrial belts common in larger coastal cities, but it is still susceptible to regional dust events and agricultural emissions. The prevailing winds generally flow from the east, carrying moisture and potentially pollutants from the surrounding highlands.

Fandriana’s tropical highland climate dictates a distinct wet and dry season cycle, profoundly impacting its air quality. The dry season, typically spanning from April to October, is characterized by lower rainfall and increased sunshine hours. While this might seem beneficial, the lack of rainfall allows dust and particulate matter from agricultural activities and unpaved roads to accumulate, leading to periods of reduced visibility and potential respiratory irritation. Temperature inversions, common during the cooler nights of the dry season, can trap pollutants near the ground, worsening air quality. The months of July and August often experience the most persistent of these inversions. Conversely, the wet season, from November to March, brings frequent rainfall, which naturally washes pollutants from the atmosphere, leading to improved air quality. However, heavy rainfall can also lead to increased humidity, which can exacerbate respiratory conditions for sensitive individuals. During the wet season, the increased cloud cover reduces solar radiation, potentially impacting photochemical reactions that contribute to ozone formation. Wind patterns shift during the wet season, often becoming more variable, which can both disperse and concentrate pollutants depending on the specific conditions. Individuals with asthma or other respiratory ailments should exercise caution during the dry season, particularly during periods of dust or stagnant air. Children and the elderly are also more vulnerable and should limit prolonged outdoor exposure during these times. Maintaining indoor air quality through ventilation and air filtration can provide some relief.