Select some pollutants from the drop down menu, tick congestion charge zone, and then see what's changed since 2003...
There's been a tangible improvement in air quality for those like myself who live in Central London, and I've heard that the asthma epidemic amongst school children from a few years back has subsided as well.
Have a play about with this map:
http://www.londonair.org.uk/london/asp/virtualmaps.asp?view=maps
Select some pollutants from the drop down menu, tick congestion charge zone, and then see what's changed since 2003...
There's been a tangible improvement in air quality for those like myself who live in Central London, and I've heard that the asthma epidemic amongst school children from a few years back has subsided as well.