Hourly average concentrations of pollutants in ambient air from the permanent network of measurements in the Normandy region

Average hourly concentrations from the fixed network of European measurements of the main pollutants regulated in the air in the Normandy region: sulphur dioxide SO2, nitrogen monoxide NO and nitrogen dioxide NO2, suspended particles PM10, suspended particles PM2.5, ozone O3, benzene C6H6, carbon monoxide CO. All data provided are in μg/m³ (microgram per cubic meter) except CO (mg/m³).

These hourly data are updated to be published daily at 2 p.m. (local time) and are available over a slippery year.