Ayaviri Air Quality Index (AQI)

Loading live AQI data...

Loading historical AQI trends...

Ayaviri, nestled high in the Peruvian Altiplano within the Puno region, presents a unique geographic challenge for air quality. Situated at a staggering elevation of approximately 3,896 meters (12,782 feet), the city is surrounded by expansive, undulating plains punctuated by distant peaks of the Andes. This high-altitude location significantly impacts atmospheric circulation and pollutant dispersion. The terrain is largely flat within the urban area, but quickly rises into rolling hills and mountains, limiting natural ventilation. Ayaviri isn’t directly adjacent to major bodies of water; however, it lies within the endorheic basin of Lake Titicaca, influencing regional humidity and temperature patterns. The surrounding landscape is predominantly agricultural, focused on potato and quinoa cultivation, with livestock grazing common. While Ayaviri isn’t a heavily industrialized center, the increasing use of agricultural machinery and domestic fuel burning contribute to localized emissions. The urban-rural gradient is relatively sharp, transitioning quickly from concentrated residential areas to open farmland. Dust from agricultural activities, combined with the city’s altitude and limited wind flow, creates conditions conducive to particulate matter accumulation. The city’s position within a high-altitude basin exacerbates the potential for temperature inversions, trapping pollutants near the ground.

Ayaviri experiences a pronounced wet and dry season, dictating the city’s air quality patterns. The dry season, roughly from May to September, is characterized by clear skies and strong solar radiation, but also increased dust resuspension from agricultural lands and unpaved roads. This period sees a peak in particulate matter pollution, particularly PM10, as drier conditions facilitate the dispersal of fine particles. October marks the transition, with increasing rainfall beginning to suppress dust, but also coinciding with increased domestic heating as temperatures drop. The wet season, from November to April, generally offers improved air quality due to rainfall scavenging pollutants. However, increased humidity can also lead to the formation of fog, trapping pollutants at ground level, especially during calm mornings. February and March often experience the highest rainfall, providing the most significant cleansing effect. Sensitive groups – children, the elderly, and those with respiratory conditions – should be particularly cautious during the dry season and periods of fog. Avoiding strenuous outdoor activity during these times is advisable. The prevailing winds, typically from the south, offer some pollutant dispersion, but are often weak, especially during temperature inversions common in the mornings.