Sālamedu Air Quality Index (AQI)

Loading live AQI data...

Loading weather snapshot...

Loading historical AQI trends...

Sālamedu, a small town in the Tamil Nadu state of India, is situated at coordinates 11.9088°N, 79.4919°E. Its geography is defined by the relatively flat coastal plains of the Coromandel Coast, a region known for its fertile alluvial soils. The town’s elevation is low, contributing to limited atmospheric dispersion of pollutants. Sālamedu is located inland from the Bay of Bengal, approximately 20-25 kilometers from the coast, meaning direct marine influences on air quality are moderate, primarily affecting humidity and salt spray. The surrounding landscape is a mix of agricultural land – predominantly rice paddies and coconut groves – and increasingly, small-scale industrial activity related to food processing and textiles. The urban-rural gradient is quite sharp; Sālamedu itself is a concentrated settlement, quickly giving way to agricultural fields. This proximity to agricultural practices introduces potential sources of particulate matter from crop residue burning and fertilizer use. The regional climate is tropical, with distinct wet and dry seasons. The lack of significant topographical features like hills or valleys hinders natural ventilation, exacerbating pollution build-up during calmer periods. The town’s position within a broader industrial corridor along the coast also means it’s susceptible to pollutants transported from larger manufacturing centres.

Sālamedu experiences a distinct seasonal air quality pattern dictated by the monsoon cycles and prevailing winds. The pre-monsoon months of April and May are typically the worst for air quality. High temperatures and stagnant air create conditions for temperature inversions, trapping pollutants near the ground. Dust from agricultural activities and construction contributes significantly to particulate matter levels. The southwest monsoon, arriving in June, brings temporary relief through rainfall which washes away pollutants, but also increases humidity, potentially fostering mold growth indoors. Post-monsoon (September-November) sees a gradual deterioration as winds weaken and temperatures rise again. The northeast monsoon, from October to December, brings another period of cleansing rains, though often accompanied by increased humidity and localized flooding which can spread pollutants. The dry season, January to March, is generally better than the pre-monsoon period, with cooler temperatures and moderate winds aiding dispersion. Sensitive groups – children, the elderly, and those with respiratory conditions – should limit outdoor activity during April-May and periods of calm weather. Monitoring local weather patterns and avoiding peak traffic hours are also advisable.