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Kayseri, situated in central Turkey's Anatolian region at coordinates 38.7225°N, 35.4875°E, occupies a strategic position at the crossroads of historical trade routes between the Mediterranean and Central Asia. The city lies on the broad, flat Kayseri Plain at approximately 1,054 meters elevation, surrounded by dramatic volcanic peaks including Mount Erciyes (3,917m) to the south and the Sultan Sazlığı wetlands to the northeast. This elevated basin location creates a distinctive urban geography where Kayseri's rapid industrial expansion—particularly in textiles, furniture, and machinery manufacturing—interacts with traditional agricultural zones producing cereals, sugar beets, and potatoes. The city's urban-rural gradient shows dense commercial and residential districts gradually transitioning to peri-urban industrial estates and then to extensive farmlands, with limited natural ventilation due to the encircling mountains. Proximity to the Kızılırmak River provides some hydrological influence, but the semi-arid continental climate and distance from major water bodies like the Mediterranean Sea (300km southwest) or Black Sea (400km north) mean atmospheric moisture is limited. This geographic setting creates a natural amphitheater effect where pollutants from urban traffic, residential heating, and industrial activities can accumulate, particularly during temperature inversions that trap emissions in the valley basin. The city's position along transportation corridors between Ankara and eastern Turkey adds significant vehicular pollution to the local airshed.

Kayseri's continental climate creates distinct seasonal air quality patterns that residents must navigate carefully. Winter months from December through February present the most challenging conditions, with frequent temperature inversions trapping pollutants from coal and wood heating systems beneath cold, stagnant air layers. These inversion episodes, combined with limited precipitation and occasional fog, create persistent haze that can linger for days, making January typically the worst month for air quality. Sensitive groups including children, elderly residents, and those with respiratory conditions should limit prolonged outdoor exposure during these winter stagnation events. Spring brings gradual improvement as increasing solar radiation breaks up inversion layers and occasional rainfall helps cleanse the atmosphere, though March can still experience dust transport from surrounding arid regions. Summer offers the cleanest air from June through August, with stronger thermal convection dispersing pollutants and prevailing winds providing better ventilation, making this the optimal season for outdoor activities. However, occasional high-pressure systems can still create temporary stagnation. Autumn sees a gradual deterioration as temperatures drop and heating season begins, with October and November experiencing increasing particulate matter concentrations. Throughout the year, morning hours typically show better dispersion than evenings when emissions accumulate, and checking local air quality forecasts before planning outdoor exercise is advisable for all residents.