Research Article

Field Validation of a Public Health Particulate Matter (PHPM) Low-Cost PM2.5 Monitor and Commercial Sensors with Light Scattering Technology

Figure 1

Particulate matter monitoring devices used. (a) Low-cost particle scattering PM2.5 sensor (PHPM) and (b) DustTrak DRX Aerosol Monitor 8533.
(a)
(b)