Tennala Air Quality Index (AQI)

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Tennala, nestled within the verdant landscape of Kerala, India (11.0000° N, 75.9333° E), is a municipality characterized by its relatively low elevation and proximity to the Arabian Sea. The city’s terrain is largely flat, typical of the coastal plains of Kerala, though gently undulating as it moves inland. With a population of 49,214, Tennala represents a significant, though not overwhelmingly large, urban center within the Kollam district. Its location is crucial to understanding its air quality profile. The surrounding landscape is dominated by coconut plantations, rice paddies, and dense vegetation, a typical feature of Kerala’s agricultural heartland. However, the increasing urbanization and associated construction activities contribute to localized dust pollution. The Arabian Sea exerts a moderating influence on the climate, providing sea breezes that can help disperse pollutants, but also contributing to high humidity. The urban-rural gradient is relatively sharp, with agricultural land immediately bordering the municipal limits. While Tennala isn’t directly within a major industrial belt, regional industrial activity in Kollam and nearby areas can contribute to long-range transport of pollutants. The city’s coastal position also makes it susceptible to salt spray, which can affect air quality monitoring and contribute to corrosion. Understanding these geographical factors is vital for effective air quality management in Tennala.

Tennala experiences a tropical climate, broadly divided into wet and dry seasons, significantly impacting air quality. The southwest monsoon, typically from June to September, brings heavy rainfall which effectively washes away particulate matter, resulting in generally cleaner air during these months. However, increased humidity can also foster mold growth, impacting respiratory health. October and November see a transition period with decreasing rainfall and calmer winds, allowing pollutants to accumulate. This period often experiences a slight deterioration in air quality. The dry season, from December to February, is generally considered the best time for outdoor activities, with clear skies and moderate temperatures, though dust from construction and agricultural activities can be present. March to May are the hottest and driest months, often experiencing stagnant air and temperature inversions, trapping pollutants near the ground. This leads to a peak in particulate matter and other pollutants. Sensitive groups – children, the elderly, and those with respiratory conditions – should limit outdoor exposure during these months. Monitoring wind patterns is crucial; onshore breezes can bring in marine aerosols, while offshore breezes can exacerbate pollution from inland sources. Fog, common during the cooler months, can also trap pollutants, reducing visibility and impacting air quality.