Bonfire preparation

I'm not a fan - used to take the kids when they were little, but found the cold, crowds and waiting annoying. Plus:

Bonfire Night Air Pollution Findings
Test results have demonstrated that Guy Fawkes is one of the most polluted nights of the year. 
Bonfire night pollution emissions alone were likely higher than those produced by incineration facilities in 2010.
Among the harmful bonfire night pollution gases are carbon dioxide (CO2), carbon monoxide (CO), sulphur dioxide (SO2), particulate matter (PM) as well as toxic metals, namely lithium (Li) and barium (Ba).

https://www.wastemanaged.co.uk/our-news/other/bonfire-night/