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 …

Features and practicability of the next-generation sensors and monitors for exposure assessment to airborne pollutants: a systematic review

G Fanti, F Borghi, A Spinazzè, S Rovelli… - Sensors, 2021 - mdpi.com
In the last years, the issue of exposure assessment of airborne pollutants has been on the
rise, both in the environmental and occupational fields. Increasingly severe national and …

Calibration of low-cost PurpleAir outdoor monitors using an improved method of calculating PM2. 5

L Wallace, J Bi, WR Ott, J Sarnat, Y Liu - Atmospheric Environment, 2021 - Elsevier
PM 2.5 hourly average measurements from 33 outdoor PurpleAir particle monitors were
compared with hourly measurements from 27 nearby US EPA Air Quality System (AQS) …

Assessing the accuracy of low-cost optical particle sensors using a physics-based approach

DH Hagan, JH Kroll - Atmospheric measurement techniques, 2020 - amt.copernicus.org
Low-cost sensors for measuring particulate matter (PM) offer the ability to understand human
exposure to air pollution at spatiotemporal scales that have previously been impractical …

Laboratory evaluation of low-cost PurpleAir PM monitors and in-field correction using co-located portable filter samplers

J Tryner, C L'Orange, J Mehaffy… - Atmospheric …, 2020 - Elsevier
Low-cost aerosol monitors can provide more spatially-and temporally-resolved data on
ambient fine particulate matter (PM 2.5) concentrations than are available from regulatory …

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 …

[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 …

Recent advancements in low-cost portable sensors for urban and indoor air quality monitoring

A Hernández-Gordillo, S Ruiz-Correa… - Air Quality, Atmosphere …, 2021 - Springer
The spatiotemporal heterogeneity of the air pollutants complicates appropriate monitoring.
The collective measures or crowdsensing is a promising approach to achieve a better air …

First Measurements of Ambient PM2.5 in Kinshasa, Democratic Republic of Congo and Brazzaville, Republic of Congo Using Field-calibrated Low-cost Sensors

C McFarlane, PK Isevulambire… - Aerosol and Air Quality …, 2021 - Springer
Estimates of air pollution mortality in sub-Saharan Africa are limited by a lack of surface
observations of fine particulate matter (PM2. 5). Despite being large metropolises, Kinshasa …