RT Journal Article
T1 Calibration of Sensor Network for Outdoor Measurement of PM2.5 on High Wood-Heating Smoke in Temuco City
A1 Muñoz Poblete, Carlos Omar
A1 Huircan Quilaqueo, Juan Ignacio
A1 Jaramillo Montoya, Francisco
A1 Boso Gaspar, Àlex
AB In order to ascertain the spatial and temporal changes in the air quality in Temuco City, Chile, we created and installed a network of inexpensive sensors to detect PM2.5 particulate matter. The 21 measurement points deployed were based on a low-cost Sensiron SPS30 sensor, complemented with temperature and humidity sensors, an Esp32 microcontroller card with LoRa and WiFi wireless communication interface, and a solar charging unit. The units were calibrated using an airtight combustion chamber with a Grimm 11-E as a reference unit. The calibration procedure fits the parameters of a calibration model to map the raw low-cost particle-material measurements into reliable calibrated values. The measurements showed that the concentrations of fine particulate material recorded in Temuco present a high temporal and spatial variability. In critical contamination episodes, pollution reaches values as high as 354 µg/m3, and at the same time, it reaches 50 µg/m3  in other parts of the city. The contamination episodes show a similar trend around the city, and the peaks are in the time interval from 07:00 PM to 1:00 AM. In the winter, this time of day coincides with when families are usually home and there are low temperatures outside
PB MDPI
YR 2023
FD 2023-08-03
LK https://hdl.handle.net/20.500.14352/103535
UL https://hdl.handle.net/20.500.14352/103535
LA eng
NO Muñoz, C.; Huircan, J.; Jaramillo, F.; Boso, Á. Calibration of Sensor Network for Outdoor Measurement of PM2.5 on High Wood-Heating Smoke in Temuco City. Processes 2023, 11, 2338. https://doi.org/10.3390/ pr1108233
NO 2023 Descuento MDPI
NO Fondo Nacional de Desarrollo Científico y Tecnológico(Chile)
NO Agencia Nacional de Investigación y Desarrollo de Chile
NO Center of Interventional Medicine for Precision and Advanced Cellular Therapy
DS Docta Complutense
RD 9 abr 2025