1. Air pollution increases the risk of heart disease, cancer, diabetes, and asthma attacks, as well as being associated with dementia.
2. Almost 9,500 Londoners die early each year as a result of air pollution.
3. Drivers can be exposed to nine times more air pollution than cyclists because cars gather pollution from the vehicle in front.
4. Children are particularly vulnerable to air pollution. Air pollution is linked to premature births, low birth weight, impaired lung development, asthma and increased hospital admissions.
5. Some of London's worst pollution hotspots are around schools, usually on busy and congested roads.
6. Most of the pollutants that damage health are too small to see and can get through the gaps in simple fabric face masks.
7. Forty per cent of air pollution comes from diesel vehicles.
8. Six million car journeys are made by Londoners every day - two million of those are under two kilometres.
9. One in six early deaths could be prevented if everyone walked or cycled 20 minutes each day.

To find out more about pollution, including protection strategies and what the air is like right now visit http://islingtonairquality.org/archwayzen/