An inconvenient truth about Bonfire Night pollution

Substances released during Guy Fawkes celebrations are often the very pollutants that industry goes to great lengths to filter outGuy Fawkes is often the most polluted evening of the year. Smoke from bonfires and fireworks can build up in our towns and cities. This smoke contains a unique mixture of metal particles that are used to propel and colour fireworks. These include red (strontium or lithium), blue (copper) and bright green and white (barium). Lead, titanium and antimony produce crackles