Many of us are concerned with the air quality of the cities where we live and work. The Brussels region is slowly waking up on this issue. They recently released data on black carbon pollution levels in Brussels. These measurements are the results of a citizen science program called ExpAir in which some of our colleagues took part. Each participant was given a little box to measure black carbon both outdoor and indoor. Black carbon is a subset of the micro-particles that are subject to the EU legislation on air quality (it makes about 10% of the total mass of PM10 micro-particles, but it is potentially the most harmful part of these particles as it is a direct product of combustion and moreover it can aggregate all sorts of volatile organic compounds that are harmful to our health, including a number of carcinogenic substances). Continue reading Air quality in Brussels →