Puttankulam Air Quality Index (AQI)

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Puttankulam, nestled in the Kannur district of Kerala, India, occupies a geographically significant position within the state’s verdant landscape. Located at approximately 8.8111° N latitude and 76.7152° E longitude, the town sits within a gently undulating terrain characteristic of Kerala’s coastal plains. The surrounding area is predominantly rural, a mosaic of small-scale agriculture – primarily rice cultivation and coconut plantations – interspersed with pockets of dense tropical forest. This agricultural activity, while vital to the local economy, contributes to localized particulate matter, particularly during harvest seasons. Puttankulam’s proximity to the Arabian Sea, roughly 15 kilometers to the west, influences local weather patterns and can, under certain conditions, facilitate the dispersion of pollutants. The elevation is relatively low, averaging around 30 meters above sea level, which limits vertical mixing of air and can exacerbate ground-level pollution. While Puttankulam itself is a relatively small town, it lies within a gradually transitioning urban-rural gradient, with larger urban centers like Kannur city situated approximately 30 kilometers away. This proximity means that Puttankulam can be affected by industrial emissions and vehicular traffic originating from these larger population hubs. The region's climate is tropical, characterized by high humidity and consistent temperatures, which can impact the persistence of pollutants in the air. The surrounding landscape, dominated by vegetation, generally acts as a natural filter, but localized sources can still significantly impact air quality.

Puttankulam’s air quality follows a distinct seasonal pattern dictated by Kerala’s monsoon climate. The southwest monsoon, typically spanning from June to September, brings substantial rainfall, effectively cleansing the atmosphere and significantly reducing particulate matter and gaseous pollutants. This period generally offers the best air quality for outdoor activities. Conversely, the pre-monsoon season (March-May) often witnesses a deterioration in air quality. Rising temperatures and decreasing rainfall lead to stagnant air conditions, particularly during periods of intense heat. Temperature inversions, where a layer of warm air traps cooler air near the ground, are more frequent during this time, preventing the vertical dispersion of pollutants. Agricultural burning, a common practice to clear fields for the next planting season, also contributes to increased particulate matter during these months. The post-monsoon season (October-November) sees a gradual improvement in air quality as rainfall decreases, but lingering humidity can still trap pollutants. Fog, particularly in the mornings, is common during this period, further reducing visibility and concentrating pollutants near the ground. Sensitive groups, including children, the elderly, and individuals with respiratory conditions, should exercise caution during the pre-monsoon months, limiting strenuous outdoor activity during peak pollution hours. Maintaining indoor air quality through ventilation and air purifiers is also advisable. The monsoon months offer a respite, but even then, localized agricultural practices can temporarily impact air quality in specific areas.