A challenge for enterprises is to ensure conformance of their business processes with imposed compliance rules. Usually, the latter may constrain multiple perspectives of a business process, including control flow, data, time, resources, and interactions with business partners. Like in process modeling, visual languages for specifying compliance rules have been proposed. However, business process compliance cannot be completely decided at design time, but needs to be monitored during run time as well. This paper introduces an approach for visually monitoring business process compliance. In particular, this approach covers all relevant process perspectives. Furthermore, compliance violations cannot only be detected, but also be visually highlighted emphasizing their causes. Finally, the approach assists users in ensuring compliant continuations of a running business process.