The IRON-DB was developed in 2016 in order to support operation of IRON, the Italian Radon mOnitoring Network. IRON is a network of permanent, continuously operating, real-time radon monitoring stations, developed and implemented in Italy in the past 7 years [Cannelli et al., submitted]. The network represents, at present, the first Italian regional-scale infrastructure for a systematic and continuous monitoring of radon emissions (see for example [Piersanti et al., 2015; Cannelli et al., 2016; Piersanti et al., 2016]). IRON presently consists of 19 stations, mainly located in the Central-Southern Apennines, but marginally covering the whole Italian peninsula (Figure 1). Owing to the evolution of IRON network since 2009, in terms of instrumentations, different type of installation and...