Meltonakkal Air Quality Index (AQI)

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Meltonakkal, a small town nestled within the Kollam district of Kerala, India, occupies a low-lying coastal plain at approximately 8.6341°N, 76.8521°E. The terrain is largely flat, characteristic of the Kerala coastal belt, with a gentle slope towards the Arabian Sea, roughly 8 kilometers to the west. This proximity to the sea influences local weather patterns and contributes to high humidity levels. The surrounding landscape is dominated by dense coconut groves, paddy fields, and rubber plantations – typical of Kerala’s agricultural economy. Meltonakkal isn’t a major industrial hub, but lies within reach of industrial areas further north around Kollam city, potentially contributing to regional pollutant transport. The urban-rural gradient is quite sharp; Meltonakkal itself is a relatively small settlement, quickly transitioning into rural agricultural land. This limits localized emissions from traffic and construction, but makes the area susceptible to pollutants carried by prevailing winds from more developed regions. The backwaters of Kerala, a network of lagoons and canals, are also nearby, influencing air circulation and potentially trapping pollutants during calm conditions. The relatively flat topography hinders dispersion of pollutants, especially during temperature inversions.

Meltonakkal experiences a tropical monsoon climate, dictating its air quality patterns. The southwest monsoon, arriving in June and lasting until September, brings heavy rainfall which effectively washes away particulate matter, resulting in generally cleaner air during these months. However, increased humidity can foster mold growth, impacting respiratory health. October to December sees a transition period with diminishing rainfall and calmer winds, allowing pollutants to accumulate. January to March are typically the driest months, with higher temperatures and stagnant air, leading to a peak in particulate matter from dust and agricultural burning. This is a period to limit strenuous outdoor activity. The northeast monsoon, arriving in late October, can bring localized rainfall but often isn’t as effective at clearing pollutants as the southwest monsoon. Fog is common during the cooler months, exacerbating particulate matter concentrations. Sensitive groups – children, the elderly, and those with respiratory conditions – should be particularly cautious during the dry season. Avoiding peak traffic hours and using masks when outdoors during these periods is advisable. Monitoring local weather reports for wind direction is also helpful.