pen Data Insights

Tomorrow is Global Day of Parents

Ozone in Basel exceeded regulatory limits on May 30, 2026.

On 2026-05-30, Basel experienced elevated ozone levels that exceeded the regulatory threshold, while nitrogen dioxide and PM10 concentrations remained within normal limits. The maximum ozone concentration …

Gotthelf leads Basel in single-family homes with 36.3 percent.

Gotthelf is a small, quiet, and green Basel neighborhood with a notably high proportion of single-family homes and a stable, affluent, and well-educated population.

Basel ozone spike on May 29 ranks in top 10 percent of year.

On 2026-05-29, Basel experienced elevated ozone levels that exceeded the Swiss regulatory threshold, with a maximum of 136.7 µg/m³, while nitrogen dioxide and fine particulate matter …

555 Years ago: Albrecht Dürer was born.

Tomorrow: International Day of Potato

Honoring UN Peacekeepers Tomorrow

Basel ozone peaks at 153 µg/m³, exceeding annual threshold.

On 2026-05-27, Basel experienced unusually high ozone (O3) levels that exceeded the regulatory threshold, alongside a notable but brief elevation in PM10 concentrations. While nitrogen dioxide …