Kela Khera Air Quality Index (AQI)

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Kela Khera, nestled in the Uttarakhand state of India (29.0900° N, 79.1900° E), occupies a geographically significant position within the Indo-Gangetic Plain's foothills. The town’s elevation, approximately 280 meters above sea level, places it within a transitional zone between the fertile plains and the rising Himalayan ranges. This location dictates a complex interplay of factors influencing air quality. The surrounding landscape is predominantly agricultural, with extensive fields of wheat, rice, and maize characterizing the rural areas immediately adjacent to Kela Khera. This agricultural activity contributes to seasonal particulate matter, particularly during harvest periods when stubble burning is practiced. To the east, the proximity to the Yamuna River, though providing a vital water source, can also lead to localized humidity and fog formation, trapping pollutants close to the ground. Further afield, the broader region is experiencing increasing urbanization, with industrial belts concentrated in nearby cities like Saharanpur, impacting Kela Khera through long-range transport of pollutants. The urban–rural gradient is relatively sharp; Kela Khera itself maintains a small-town character, but the encroaching influence of larger urban centers is evident in increasing vehicular traffic and a gradual shift towards more intensive agricultural practices. The terrain is generally flat, which, while facilitating agriculture, can also hinder the dispersion of air pollutants, especially during periods of low wind speed. The Himalayan foothills to the north create a barrier, potentially influencing prevailing wind patterns and trapping pollutants within the local basin.

Kela Khera’s air quality exhibits a distinct seasonal pattern heavily influenced by regional meteorology and agricultural practices. The post-monsoon season (October-November) consistently presents the most challenging period. Following the monsoon rains, a persistent temperature inversion often develops, trapping pollutants near the ground. This is exacerbated by widespread stubble burning by farmers preparing fields for the winter crop, releasing significant quantities of particulate matter and noxious gases. The relatively low wind speeds during this period further impede pollutant dispersal. Winter (December-February) brings colder temperatures and frequent fog, which significantly reduces visibility and concentrates pollutants, creating a stagnant atmospheric environment. Spring (March-May) sees a gradual improvement as temperatures rise, and wind speeds increase, aiding in the dispersion of pollutants. However, dust storms originating from the Thar Desert can occasionally impact air quality during this period. The monsoon season (June-September) typically offers the most relief, with frequent rainfall washing away pollutants and strong winds dispersing any remaining contaminants. However, heavy rainfall can also lead to increased humidity and localized flooding, potentially impacting air quality through the release of mold spores and other biological pollutants. Sensitive groups, including children, the elderly, and individuals with respiratory conditions, should exercise caution during the post-monsoon and winter months, limiting outdoor activity during peak pollution episodes and ensuring adequate ventilation indoors. Maintaining awareness of local weather conditions and agricultural practices is crucial for informed decision-making regarding outdoor exposure.