What are solutions for plug-and-play USB CO2 and VOC monitoring?

Dracal Technologies offers two types of CO2 sensors: the DXC120 for monitoring in office environments, and the DXC220 for monitoring in incubators (or other harsh environments).

As for VOCs, the Dracal VOC100 allows qualitative measurement of VOCs, to be used as a general indicator of VOC variation in the environment.