Shahritus Air Quality Index (AQI)

Loading live AQI data...

Loading historical AQI trends...

Shahritus, nestled in the Khatlon Province of Tajikistan at coordinates 37.2667° N, 68.1333° E, occupies a significant position within the Vakhsh Valley. The city’s terrain is largely flat, characteristic of alluvial plains formed by the Vakhsh River, which flows nearby. This riverine influence is crucial, providing irrigation for the surrounding agricultural lands – primarily cotton and fruit orchards – that dominate the landscape. Shahritus is situated approximately 700 meters above sea level, a moderate elevation that impacts atmospheric circulation. The surrounding landscape transitions rapidly from cultivated fields to the foothills of the Pamir-Alay mountains to the east, creating a complex interplay of air masses. The urban-rural gradient is quite sharp; the city itself is relatively compact with a population of around 17,200, quickly giving way to agricultural zones. This proximity to intensive farming practices introduces potential sources of particulate matter from dust and agricultural burning. While not a major industrial hub, smaller-scale processing of agricultural products contributes to localised emissions. The valley’s topography can trap pollutants, particularly during periods of calm weather, exacerbating air quality concerns. The prevailing winds generally flow from west to east, potentially carrying pollutants from regional sources.

Shahritus experiences a continental climate with distinct seasons that profoundly influence air quality. Spring (March-May) sees increasing agricultural activity, including field preparation and burning of crop residue, leading to elevated particulate matter levels. Dust storms, originating from the arid regions to the west, are also common during this period. Summers (June-August) are hot and dry, with generally good air quality due to strong winds dispersing pollutants, though ozone formation can be a concern with high temperatures and sunlight. Autumn (September-November) is often the most polluted time of year. Temperature inversions become frequent as the valley cools, trapping pollutants near the ground. The burning of agricultural waste after harvest peaks during this season, significantly degrading air quality. Winter (December-February) brings cold temperatures and often calm conditions, exacerbating the effects of temperature inversions and trapping emissions from residential heating, primarily coal and wood. Sensitive groups – children, the elderly, and those with respiratory conditions – should limit outdoor activity during autumn and winter. Spring can also pose risks due to dust and agricultural smoke. Months of June and July generally offer the most favourable air quality for outdoor activities.