Überherrn Air Quality Index (AQI)

Loading live AQI data...

Loading historical AQI trends...

Überherrn, nestled in the Saarland state of Germany, occupies a gently undulating landscape within the Saar coal basin. Its coordinates (49.2500, 6.7000) place it roughly midway between Saarbrücken and Neunkirchen, forming part of a continuous, though increasingly fragmented, urban area. The terrain is characterised by rolling hills, a legacy of past coal mining activities, and lies at an elevation of approximately 300-350 meters above sea level. The River Saar flows nearby, influencing local microclimates and potentially contributing to humidity levels. Historically, Überherrn was heavily reliant on coal mining, and while the industry has declined, its legacy remains in the surrounding landscape and potential for residual soil and dust pollution. The urban-rural gradient is relatively sharp; the town is bordered by agricultural land, primarily arable farming, and patches of mixed woodland. This proximity to agricultural zones introduces potential sources of ammonia from fertilizer use, impacting air quality. The prevailing winds, generally from the west, can transport pollutants from the larger industrial areas further west, while the topography can create localised pockets of stagnant air, exacerbating pollution episodes. The town’s position within a valley can also contribute to temperature inversions, trapping pollutants near the ground.

Air quality in Überherrn exhibits a distinct seasonal pattern. Winter, from December to February, often sees the poorest air quality. Reduced sunlight hours and stable, cold air masses lead to temperature inversions, trapping pollutants emitted from domestic heating – primarily wood and coal burning – close to the ground. Low wind speeds further exacerbate this issue. Spring (March-May) brings gradual improvement as temperatures rise and wind speeds increase, dispersing pollutants. However, agricultural activities, like fertilizer application, can contribute to ammonia levels. Summer (June-August) generally offers the cleanest air, with higher temperatures promoting atmospheric mixing and rainfall effectively washing pollutants from the air. However, occasional heatwaves can lead to increased ozone formation. Autumn (September-November) sees a return to poorer conditions as heating demand increases and atmospheric stability returns. Fog, common in the Saarland during autumn and winter, can trap pollutants and reduce visibility. Sensitive individuals – children, the elderly, and those with respiratory conditions – should limit strenuous outdoor activity during winter months and periods of fog. Monitoring pollen levels is also advisable during spring and summer. Avoiding peak traffic hours can also reduce exposure to vehicle emissions.