VICTOR DE SCHWANBERG / SCIENCE PHOTO LIBRARY VICTOR DE SCHWANBERG / SCIENCE PHOTO LIBRARY
Air pollution monitoring station. This station monitors and records air pollution on one of central London's main roads. It is situated on Marylebone Road at the junction with Baker Street. It measures particulate matter, carbon monoxide, nitrogen dioxide and sulphur dioxide levels. These pollutants are dangerous to human health and are greenhouse gases whose emission contributes to global warming.
Model release not required. Property release not required.