Maddūr Air Quality Index (AQI)

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Maddūr, a town in Karnataka, India, sits at coordinates 12.5849°N, 77.0500°E, nestled within the relatively flat plains of the state’s southern interior. With a population of approximately 28,754, Maddūr’s urban character is distinctly that of a regional market town, serving the surrounding agricultural lands. The terrain is gently undulating, typical of the Deccan Plateau, and the town’s elevation is around 830 meters above sea level. This moderate elevation influences temperature patterns and atmospheric circulation. The Shimsha River flows nearby, providing a crucial water source but also potentially contributing to localised humidity and influencing pollutant dispersion. Maddūr is situated within a predominantly agricultural zone, famed for its silk production and sugarcane cultivation. This agricultural activity, while economically vital, introduces potential sources of air pollution through pesticide use, biomass burning for land preparation, and dust from harvesting. The urban-rural gradient is relatively sharp, with agricultural fields immediately surrounding the town. The proximity to larger industrial belts, such as those around Bengaluru, means that long-range transport of pollutants is also a factor affecting Maddūr’s air quality. The town’s location, shielded by the Western Ghats to the west, can sometimes lead to stagnant air conditions, exacerbating pollution episodes.

Maddūr experiences a tropical climate with distinct wet and dry seasons, heavily influencing its air quality. The pre-monsoon months of March to May are typically the worst for air pollution. Rising temperatures create unstable atmospheric conditions, trapping pollutants near the ground. Dust from agricultural activities and increased vehicle emissions contribute to higher particulate matter concentrations. The southwest monsoon arrives in June, bringing relief with heavy rainfall that washes away pollutants, resulting in significantly improved air quality. However, increased humidity can also foster mould growth, impacting respiratory health. Post-monsoon, from September to November, sees a gradual return of drier conditions and a slight increase in pollution, primarily from agricultural residue burning after the harvest. December to February are generally the most favourable months, with cooler temperatures, moderate winds, and lower pollution levels. However, temperature inversions can occur during these months, trapping pollutants in the lower atmosphere, particularly in the early mornings. Sensitive groups – children, the elderly, and those with respiratory conditions – should limit outdoor activity during the pre-monsoon season and be mindful of potential inversion conditions in winter. Monitoring local weather patterns is crucial for informed decisions regarding outdoor exposure.