Table 1 Main characteristics of the fan assisted low-cost PM sensors used in the study. Adapted34,35. Prices accurate at the time of construction.

From: Long-term field comparison of multiple low-cost particulate matter sensors in an outdoor urban environment

Model Size (mm) (H × W × D) Price (USD) Detection range (μm) Concentration range (μg/m3) Declared Accuracy (μg/m3) Sampling interval (s) Particle count
Alphasense OPC-N2 60 × 64 × 75 443 0.38 to 17 0.01 to 1,500 Not known 1 to 10 Yes
Plantower PMS5003 38 × 21 × 50 28 0.3 to 10 0 to 500 ±10 1 Yes
Plantower PMS7003 37 × 12 × 48 28 0.3 to 10 0 to 500 ±10 1 Yes
Honeywell HPMA115S0 36 × 43 × 24 33 Not known 0 to 1,000 ±15 <6 No