The event was launched with the official unveiling of the first all-electric black cab.
The scheme in North East London has involved a major redevelopment of the Walthamstow gyratory, close to the town's tube station.
Those behind the scientific data say it will have an impact on house prices.
2500th electric taxi rolls out
The team involved targeted single-use items
Drivers of older, more polluting vehicles are being charged to drive in London.
Kings College London will carry out the research
King’s College London and the British Safety Council are the developers
Figures from analysis by the environmental network, UK100
The Mayor has launched the world's largest air pollution monitoring network in the captial where 00 monitors have been positioned in schools and on streets to gather data
The Borough has the 5th Highest pollution rate in the capital
It is his latest measure to tackle London's lethal air
Plans are proposed for a new scheme
How Westminster's bin lorries are now cutting unwanted waste in more ways than one
London Live spoke to Heidi Alexander