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Zhufeng, situated in Shandong Province's eastern coastal region at coordinates 36.0000°N, 119.4167°E, occupies a strategic position within China's Bohai Rim economic zone. The city lies approximately 100 kilometers inland from the Bohai Sea, creating a distinctive coastal-inland transition zone that significantly influences its air quality patterns. Zhufeng's terrain features gentle slopes transitioning from the Shandong Peninsula's low hills to the North China Plain, with an average elevation around 50 meters above sea level. This positioning places Zhufeng within Shandong's industrial corridor, where manufacturing facilities, chemical plants, and energy production centers cluster along transportation routes connecting coastal ports with inland markets. The city's urban core demonstrates characteristic Chinese urban sprawl, with dense residential areas gradually giving way to peri-urban zones mixing light industry and agricultural land. Surrounding Zhufeng, the landscape comprises predominantly agricultural fields—particularly wheat and corn cultivation—interspersed with smaller industrial parks. This urban-rural gradient creates complex pollution dynamics as agricultural burning occasionally contributes to particulate matter levels while urban emissions dominate overall air quality. Zhufeng's proximity to the Bohai Sea provides some moderating influence through sea breezes that can disperse pollutants, yet its inland position prevents the full cleansing effects experienced by coastal cities. The city's location within the larger Beijing-Tianjin-Hebei airshed means it occasionally receives transported pollution from northern industrial regions, particularly during prevailing northwesterly winds in winter months.

Zhufeng's air quality follows distinct seasonal patterns shaped by East Asian monsoon circulation and local meteorological conditions. During winter (December-February), pollution typically peaks due to several converging factors: increased residential heating demand triggers higher emissions from coal-fired systems, while frequent temperature inversions trap pollutants near the surface. Cold, stagnant air masses from Siberia create stable atmospheric conditions that prevent vertical mixing, allowing particulate matter and gases to accumulate. Sensitive groups should limit prolonged outdoor exposure during these months, particularly during morning hours when inversion layers are strongest. Spring (March-May) brings gradual improvement as increasing solar radiation enhances atmospheric mixing, though occasional dust storms from Mongolia and northern China can cause short-term particulate spikes. The transitional period sees variable wind patterns that alternately disperse or concentrate pollutants depending on direction. Summer (June-August) offers the cleanest air as the East Asian summer monsoon brings southeasterly flows from the ocean, providing natural ventilation that sweeps pollutants inland. Higher temperatures reduce heating emissions while increased convection promotes vertical dispersion. However, high humidity combined with industrial emissions can occasionally create haze conditions. Autumn (September-November) begins with relatively good air quality that deteriorates as heating season approaches and atmospheric stability increases. The most favorable months for outdoor activities are typically June through September, while December through February require heightened precautions for those with respiratory or cardiovascular conditions.