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Amirlī, nestled within the Şalāḩ ad Dīn Governorate of Iraq, occupies a geographically significant position at approximately 34.73° N, 44.59° E. The city’s location, roughly 70 kilometers north of Baghdad, places it within a transitional zone between the Tigris River plain and the foothills of the Zagros Mountains. This terrain is characterized by undulating hills and valleys, with elevations ranging from around 250 to 400 meters above sea level. The surrounding landscape is a mosaic of agricultural fields – primarily wheat and barley cultivation – interspersed with pockets of scrubland and seasonal riverine vegetation along smaller tributaries feeding into the Tigris. The proximity to the Tigris River, while providing a vital water source, also contributes to localized humidity and potential for stagnant air conditions, particularly during calmer periods. Amirlī’s urban character is that of a relatively small, developing town, with a predominantly rural hinterland. There isn't a major industrial belt immediately adjacent to Amirlī, though agricultural processing facilities and smaller workshops are present. The urban–rural gradient is gradual, with agricultural activities continuing relatively close to the town’s periphery. The Zagros foothills to the east create a barrier that can influence wind patterns, sometimes trapping pollutants within the local basin. The prevailing winds generally flow from the northwest, but are often weak, especially during the warmer months. This combination of topography and limited ventilation makes Amirlī susceptible to localized air quality challenges, particularly concerning particulate matter from agricultural burning and vehicle emissions.

Amirlī’s air quality experiences a distinct seasonal cycle heavily influenced by regional climate patterns. The dry season, spanning from late spring through autumn (roughly April to November), typically sees the poorest air quality. Agricultural practices, including widespread crop residue burning after harvest, are a major contributor to particulate pollution during this period. Temperature inversions, common during calm autumn nights, trap pollutants close to the ground, exacerbating the problem. Dust storms, originating from the deserts to the west, are also more frequent during the dry season, significantly degrading air quality. Winter (December to March) generally offers a slight improvement, although cold, still air can lead to localized pollution build-up, especially when domestic heating is used. The occasional rainfall helps to cleanse the atmosphere, but these events are infrequent. Spring (March-May) brings a gradual improvement as agricultural burning decreases and winds pick up. However, dust events can still occur. Summer (June-August) is generally the most favorable period for air quality, with higher temperatures promoting atmospheric mixing and increased wind speeds, dispersing pollutants. Sensitive groups, including children, the elderly, and individuals with respiratory conditions, should exercise caution during the dry season, particularly in November and March when agricultural burning is most intense. Limiting outdoor exertion during periods of visible dust or smoke is advisable. Maintaining indoor air quality through proper ventilation and air filtration can also provide some protection.