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Arkhangelsk, Russia's historic port city on the Northern Dvina River near its mouth at the White Sea, occupies a unique geographic position that profoundly influences its air quality. Situated at 64.5431°N in the Arkhangel'skaya Oblast', this urban centre of 351,488 people lies within the vast Arctic taiga region, characterised by flat to gently rolling terrain with elevations typically below 50 metres above sea level. The city's location on the river delta creates a complex urban–rural gradient where dense Soviet-era industrial districts transition to extensive boreal forests and wetlands. Arkhangelsk's position as Russia's principal northern seaport means it sits within an industrial belt that includes shipbuilding facilities, timber processing plants, and port operations, all contributing to general urban pollution. The surrounding landscape—dominated by coniferous forests, peat bogs, and numerous lakes—creates natural air filtration systems but also potential sources of seasonal biomass burning. Proximity to the White Sea moderates temperatures slightly but brings maritime influences that can trap pollutants under specific meteorological conditions. The city's northern latitude means limited sunlight during winter months, reducing natural photochemical reactions that might otherwise break down certain pollutants. This geographic context creates an air quality profile where local industrial emissions interact with natural boreal environment factors, resulting in pollution patterns distinct from more southerly Russian cities.

Arkhangelsk's air quality follows a distinct seasonal rhythm shaped by its Arctic location and urban industrial character. During the long, dark winter months from November through March, pollution typically peaks due to temperature inversions that trap emissions close to the ground. The extreme cold—with temperatures often plunging below -20°C—drives increased heating demand, leading to elevated emissions from residential heating systems and power plants. These months see frequent stagnant air conditions with light winds, creating poor dispersion scenarios that sensitive groups like asthmatics and elderly residents should monitor closely. Spring brings gradual improvement as temperatures rise and atmospheric mixing increases, though April and May can experience episodes of elevated particulate matter from road dust as winter ice melts. Summer offers the cleanest air conditions from June through August, with longer daylight hours, stronger winds from the White Sea, and reduced heating emissions making this the optimal season for outdoor activities. However, occasional forest fire smoke from the surrounding taiga can create temporary air quality issues. Autumn sees a gradual deterioration as temperatures drop and heating systems restart, with October and November marking the transition back to winter pollution patterns. Throughout the year, fog—particularly common in spring and autumn—can temporarily worsen air quality by trapping pollutants near the surface. Sensitive individuals should plan outdoor activities for summer months when dispersion conditions are most favourable.