Belgian Interregional Environment Agency (IRCEL - CELINE) No results were found. 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 Recent News and alerts Impact of air quality on health in Belgium (2023) Read More… Air quality in 2024: preliminary assessment Read More… Annual average concentration scales adapted to the stricter WHO guideline values Read More… New BelAQI index Read More… Why do the values shown on the IRCELINE website differ from those on aqicn.org? Read More…