pen Data Insights

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 …

316 Years ago: Johann II Bernoulli was born.

Tomorrow is Women's Health Action Day

Binningen heat event ties 30-day high, falls short of May record.

Basel air quality alert: ozone and PM10 both spiked on May 26.

On 2026-05-26, Basel experienced elevated ozone and PM10 levels, with ozone exceeding the regulatory threshold of 120.0 µg/m³ and PM10 ranking 7th highest in the past …

Basel-Stadt births rise 9% since 2005, foreign share drops to 34.8%.

In 2025, Basel-Stadt recorded 1,835 births, with August having the most and November the fewest, and 34.8% of newborns were foreign. Compared to 2005, births increased …

Binningen hit 31.2°C on May 25, ranking among the year's warmest days.