Indoor Air Quality (IAQ) and your Hair Dryer

A dramatic increase in particulate matter.

A hair dyer used in a bathroom with the door open, and a particulate matter sensor located in another room on the same floor.

The chart illustrates how particle size distribution is weighted towards larger particles: PM10 (4 to 10 um) with the highest density and PM1.0 (0.3 to 1um) lowest, and that they remain suspended in the air for close to an hour.

20 minute sample period

For reference, the EPA National Ambient Air Quality Standards summary table can be found via this link.