Datasets Change history Datasets Data collection pilot in Helsinki: Air quality during street cleaning General description A data collection experiment using machines and a measuring point to collect microparticle concentrations during street cleaning to assess air quality. PM10,... JSON Data gatherin pilot in Helsinki: Traffic counting using machine vision General description Hourly counts of pedestrians, bicycles and motor vehicles at the intersection of Ratapihantie / Rautatieläisenkatu in spring 2023. The data was collected by... JSON