Belgian Interregional Environment Agency (IRCEL - CELINE) Call: Topic Centre organisation at the EEA Read More… Current Air Quality Measurements: Last update: the time and date of the last update change time Nitrogen Dioxide (NO2)hourly mean Particulate Matter (PM2.5)hourly mean Ozone (O3)hourly mean Forecast today: PM10 (daily mean) PM2.5 (daily mean) O3 (maximum daily 1-hour mean) tomorrow: PM10 (daily mean) PM2.5 (daily mean) O3 (maximum daily 1-hour mean) Subscribe to our mailing list BelAir app