In an effort to support the adoption and implementation of the WHO AQG, this document summarizes several air quality measurement and modelling methods that can be used to estimate ground-level air pollutant concentrations and presents multiple approaches to monitoring ambient air pollution at different spatial and temporal scales.

链接地址：https://iris.who.int/bitstream/handle/10665/373014/9789240073494-eng.pdf?sequence=1&isAllowed=y