213 fires and 65 explosions. That’s how many combustible dust incidents were recorded in 2018, according to the 2018 Combustible Dust Incident Report by DustSafetyScience.com.
Dust collection equipment has the largest percentage of combustible dust incidents with an average of 23% since 2016. - Dust Safety Science, 2018 Combustible Dust Incident Report
Industries affected by combustible dust incidents in 2018. Soruce: DustSafetyScience.com
It is not clear what exactly initiated each fire or explosion. However, each of these incidents did mention that the accumulation of sawdust made the damages greater, since the fire was able to spread more rapidly throughout the building.
Many incidents were reported to have damages over $1 million with a few reaching up to $20 million.
The full report is available (after signing up) from Dust Safety Science here.