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Əmircan, a small town nestled within the Bakı region of Azerbaijan, occupies a geographically complex position significantly influencing its air quality. Situated at approximately 40.43° N, 49.98° E, the town lies on the western fringes of the Absheron Peninsula, a landscape characterized by a gradual transition from the foothills of the Greater Caucasus Mountains to the Caspian Sea. The elevation is relatively low, averaging around 25 meters above sea level, contributing to potential temperature inversions, a key factor in trapping pollutants. The surrounding terrain is a mix of gently rolling plains and low hills, interspersed with agricultural land primarily used for cotton and grain cultivation. This proximity to agricultural zones introduces potential sources of particulate matter, particularly during planting and harvesting seasons, as well as from fertilizer application. The Caspian Sea, while providing a moderating influence on temperature, can also contribute to humidity and fog formation, which can exacerbate air pollution episodes by reducing atmospheric dispersion. Further east, beyond the immediate agricultural belt, lies a broader industrial zone associated with Bakı, Azerbaijan’s capital, introducing a regional pollution burden that can impact Əmircan. The urban-rural gradient is relatively sharp; Əmircan itself is a small, primarily residential settlement, but its close proximity to larger population centers and industrial activity means it is not isolated from broader regional pollution patterns. The prevailing winds, generally from the southeast, often carry pollutants from industrial areas towards Əmircan, further complicating its air quality profile.

The air quality in Əmircan follows a distinct seasonal pattern dictated by Azerbaijan’s semi-arid climate and meteorological conditions. Winters (December-February) are typically characterized by cold temperatures and frequent temperature inversions, where a layer of warm air traps cooler air near the ground, preventing the vertical dispersion of pollutants. This leads to periods of stagnant air and elevated particulate matter concentrations. Fog, common during these months, further compounds the issue by reducing visibility and trapping pollutants close to the ground. Spring (March-May) brings a gradual warming trend and increased wind speeds, which generally improve air quality as pollutants are dispersed. However, agricultural activities, including fertilizer application and tilling, can introduce localized spikes in particulate matter. Summer (June-August) is generally the cleanest period, with hot, dry conditions and consistent winds. However, occasional heatwaves can lead to ozone formation, a secondary pollutant. Autumn (September-November) sees a return of cooler temperatures and a gradual increase in humidity, with agricultural burning practices contributing to elevated particulate levels. Sensitive groups, including children, the elderly, and individuals with respiratory conditions, should exercise caution during winter months and be mindful of agricultural burning in autumn. Outdoor activities are generally best enjoyed during the summer months, although heat precautions should still be taken. The transition periods of spring and autumn require vigilance, with monitoring of local conditions and awareness of potential agricultural impacts being crucial for minimizing exposure.