When SO2 is released, it reacts in the atmosphere to create volcanic smog (VOG) downwind, according to the USGS. Additional hazards include lightweight volcanic glass fragments that can fall ...

While the concentration levels of air pollutants of sulphur dioxide (SO2 ... It is a main component of photochemical smog, and at elevated levels can cause respiratory diseases.

Jonathan Forinton, Redecam Group, highlights the critical issue of NOx emissions in cement production, offering insights on effective strategies for avoidance and reduction.