Long-Term Particulate Matter Measurements in Southern Sweden: A Comparative Study of Low-Cost Optical Sensor to Reference Instrument
The UN-affiliated World Health Organization (WHO) estimated that in 2019, more than 90 % of people living on Earth were constantly exposed to concentrations of ambient outdoor pollutants higher than the air quality guideline limits. One of the most notorious air pollutants is particulate matter, consisting of fine natural or anthropogenic particles suspended in the air. Recent studies have shown t
