Accurate Lightweight Calibration Methods for Mobile Low-Cost Particulate Matter Sensors

Per-Martin Jørstad, Marek Wójcikowski, Tuan-Vu Cao, Jean-Marie Lepioufle, Krystian Wojtkiewicz, Phuong Hoai Ha

Abstract: Monitoring air pollution is a critical step towards improving public health, particularly when it comes to identifying the primary air pollutants that can have an impact on human health. Among these pollutants, particulate matter (PM) with a diameter of up to 2.5 \(\upmu \)m (or PM2.5) is of particular concern, making it important to continuously and accurately monitor pollution related to PM. The emergence of mobile low-cost PM sensors has made it possible to monitor PM levels continuously in a greater number of locations. However, the accuracy of mobile low-cost PM sensors is often questionable as it depends on geographical factors such as local atmospheric conditions.