HBAO station - ozone concentration - hourly Level 2 - Station processed

Hourly processed ozone mixing ratio (ppb) measured from a O342 UV photometric monitor (Environnement S.A.) and a [HORIBA APOA-370 analyser](https://www.horiba.com/int/process-and-environmental/products/detail/action/show/Product/apoa-370-450/) at the ground-based site of [Henties Bay](https://www.hbao.cnrs.fr) (22°6’S, 14°30’E, 20 m asl) in Namibia.

The Henties Bay Aerosol Observatory (HBA) is a regional station in the Global Atmosphere Watch (GAW) programme of the World Meteorological Organization (WMO). The research centre is located on the Sam Nujoma Marine and Coastal Resources Research Centre (SANUMARC) of the University of Namibia in Henties Bay. The monitoring site, situated on the university campus, is located on the coast approximately 100 m from the shoreline. To the east are the Namibian gravel plains, 3 km to the south of the campus is the town of Henties Bay and to the north is the Omaruru riverbed.