From low-cost sensors to high-quality data: A summary of challenges and best practices for effectively calibrating low-cost particulate matter mass sensors

MR Giordano, C Malings, SN Pandis, AA Presto… - Journal of Aerosol …, 2021 - Elsevier
Low-cost sensors for particulate matter mass (PM) enable spatially dense, high temporal
resolution measurements of air quality that traditional reference monitoring cannot. Low-cost …

[HTML][HTML] Development and application of a United States-wide correction for PM data collected with the PurpleAir sensor

KK Barkjohn, B Gantt… - Atmospheric Measurement …, 2021 - amt.copernicus.org
PurpleAir sensors, which measure particulate matter (PM), are widely used by individuals,
community groups, and other organizations including state and local air monitoring …

Field evaluation of low-cost PM sensors (Purple Air PA-II) under variable urban air quality conditions, in Greece

I Stavroulas, G Grivas, P Michalopoulos, E Liakakou… - Atmosphere, 2020 - mdpi.com
Recent advances in particle sensor technologies have led to an increased development and
utilization of low-cost, compact, particulate matter (PM) monitors. These devices can be …

Performance of low-cost indoor air quality monitors for PM2. 5 and PM10 from residential sources

Z Wang, WW Delp, BC Singer - Building and Environment, 2020 - Elsevier
Advances in particle sensor design and manufacturing have enabled the development of
low-cost air quality monitors (LCMs). The sensors use light scattering to estimate mass …

Correction and Accuracy of PurpleAir PM2.5 Measurements for Extreme Wildfire Smoke

KK Barkjohn, AL Holder, SG Frederick, AL Clements - Sensors, 2022 - mdpi.com
PurpleAir particulate matter (PM) sensors are increasingly used in the United States and
other countries for real-time air quality information, particularly during wildfire smoke …

Wildfire Smoke Adjustment Factors for Low-Cost and Professional PM2.5 Monitors with Optical Sensors

WW Delp, BC Singer - Sensors, 2020 - mdpi.com
Air quality monitors using low-cost optical PM2. 5 sensors can track the dispersion of wildfire
smoke; but quantitative hazard assessment requires a smoke-specific adjustment factor …

Effects of aerosol type and simulated aging on performance of low-cost PM sensors

J Tryner, J Mehaffy, D Miller-Lionberg… - Journal of Aerosol …, 2020 - Elsevier
Studies that characterize the performance of low-cost particulate matter (PM) sensors are
needed to help practitioners understand the accuracy and precision of the mass and number …

An overview of outdoor low-cost gas-phase air quality sensor deployments: current efforts, trends, and limitations

K Okorn, LT Iraci - Atmospheric Measurement Techniques, 2024 - amt.copernicus.org
We reviewed 60 sensor networks and 17 related efforts (sensor review papers and data
accessibility projects) to better understand the landscape of stationary low-cost gas-phase …

Estimating hourly PM2. 5 concentrations at the neighborhood scale using a low-cost air sensor network: A Los Angeles case study

Y Lu, G Giuliano, R Habre - Environmental Research, 2021 - Elsevier
Predicting PM 2.5 concentrations at a fine spatial and temporal resolution (ie, neighborhood,
hourly) is challenging. Recent growth in low cost sensor networks is providing increased …

[HTML][HTML] Design and testing of a low-cost sensor and sampling platform for indoor air quality

J Tryner, M Phillips, C Quinn, G Neymark… - Building and …, 2021 - Elsevier
Americans spend most of their time indoors at home, but comprehensive characterization of
in-home air pollution is limited by the cost and size of reference-quality monitors. We …