Open Data Insight of the Day

In January 2026, the air quality in Binningen was predominantly characterized by good conditions, with 19 days classified as KBI = 1, indicating low pollution levels. There were 12 days with moderate pollution (KBI = 2), and no days recorded with KBI levels of 3 or higher, which would indicate significant pollution. The Kurzzeit-Belastungs-Index (KBI) is a composite measure that integrates various air pollutants into a single index to assess short-term exposure risks. The mean concentrations for the month were 28.2 µg/m³ for ozone, 24.9 µg/m³ for nitrogen dioxide, and 14.3 µg/m³ for particulate matter (PM10). The maximum concentrations reached 82.2 µg/m³ for ozone, 60.3 µg/m³ for nitrogen dioxide, and 86.2 µg/m³ for PM10. All values are detailed in Table 1, while regulatory thresholds are listed in Table 3.

When comparing January 2026 with previous years, the air quality was notably better, ranking first in the number of days with KBI = 1. The month had fewer days with moderate pollution compared to previous years. The maximum concentration of nitrogen dioxide ranked fifth, while ozone and PM10 ranked seventh and second, respectively, in terms of maximum values. The mean concentrations for nitrogen dioxide ranked second, while ozone and PM10 were ranked seventh and sixth, respectively. The monthly average and maximum values for January are reported in Table 2 and are also displayed in Figures 1 to 3. Overall, January 2026 experienced lower pollution levels compared to the historical data, marking it as a month with relatively good air quality.