Development and Performance Evaluation of a Low-Cost Portable PM2.5 Monitor for Mobile Deployment.

ABSTRACT: The concentration of fine particulate matter (PM2.5) is known to vary spatially across a city landscape. Current networks of regulatory air quality monitoring are too sparse to capture these intra-city variations. In this study, we developed a low-cost (60 USD) portable PM2.5 monitor called Smart-P, for use on bicycles, with the goal of mapping street-level variations in PM2.5 concentration. The Smart-P is compact in size (85 × 85 × 42 mm) and light in weight (147 g). Data communication and geolocation are achieved with the cyclist's smartphone with the help of a user-friendly app. Good agreement was observed between the Smart-P monitors and a regulatory-grade monitor (mean bias error: -3.0 to 1.5 μg m-3 for the four monitors tested) in ambient conditions with relative humidity ranging fro

SUBMITTER: Chen M 

PROVIDER: S-EPMC9003072 | biostudies-literature | 2022 Apr

REPOSITORIES: biostudies-literature