Tash-Kömür Air Quality Index (AQI)

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Tash-Kömür, nestled within the Jalal-Abad Region of Kyrgyzstan, occupies a geographically significant position at approximately 41.3461° N, 72.2171° E. The town’s location, at an elevation of roughly 1,750 meters (5,740 feet) above sea level, places it within a transitional zone between the Fergana Valley’s fertile lowlands and the more rugged, mountainous terrain of the Tian Shan range. This elevation contributes to a unique microclimate and influences air circulation patterns. The surrounding landscape is dominated by agricultural fields, primarily used for cotton and wheat cultivation, interspersed with pockets of deciduous forest and increasingly, scrubland at higher elevations. Tash-Kömür itself is a relatively small settlement, exhibiting a clear urban–rural gradient; the town core is compact, transitioning quickly to agricultural land and then to the foothills. While not directly adjacent to a major river, the nearby Syr Darya River, though distant, influences regional weather patterns. The town’s proximity to the Fergana Valley, a major industrial hub, means it can be susceptible to pollutants transported by prevailing winds. The valley’s industrial belt, encompassing textile factories and processing plants, represents a potential source of air contamination. Topographically, the surrounding hills can trap pollutants, particularly during periods of low wind, creating localized air quality challenges. The valley floor’s relatively flat terrain allows for agricultural practices that, if not managed sustainably, can contribute to dust and particulate matter in the air.

Tash-Kömür’s air quality experiences a distinct seasonal cycle dictated by its continental climate. Summers (June-August) are typically hot and dry, with minimal rainfall. This period often sees elevated levels of particulate matter due to agricultural activities like harvesting and soil preparation, combined with increased dust lifted by strong, hot winds. The lack of precipitation means pollutants linger longer. Autumn (September-November) brings a gradual cooling and increased wind speeds, which can temporarily disperse pollutants, but also carries dust from exposed agricultural land. Winter (December-February) is characterized by cold temperatures and frequent temperature inversions, where a layer of warm air traps cooler air near the ground. This inversion layer prevents vertical mixing, leading to a significant build-up of pollutants, particularly from residential heating (often using coal or wood) and any industrial emissions. Fog is also common during winter, further exacerbating the problem by trapping pollutants close to the ground. Spring (March-May) offers the most favourable air quality, with increasing temperatures, more frequent rainfall, and stronger winds that help to flush out accumulated pollutants. Sensitive groups, such as children, the elderly, and individuals with respiratory conditions, should exercise caution during winter months and be mindful of agricultural dust during summer. Outdoor activities are generally best enjoyed during spring and early autumn, avoiding periods of stagnant air or heavy agricultural activity.