City Solutions Toolkit: A guide to designing ambient air quality monitoring systems - Siting and numbers of monitors

There are several considerations in designing and developing a monitoring network for air quality management (AQM). The two factors that this document will focus on include: (1) guiding the user on the specific aspects of proper siting to answer the question ‘where to measure’, and (2) the minimum number of stations to be operated based on existing guidelines and best practice. This document summarizes technical information on site selection and basic concepts on the types of monitoring systems to be established. This document informs the policy- and decision maker as well as practitioners to be guided on the number of monitoring stations, types of appropriate locations for these.