The utility model belongs to the technical field of environmental engineering technology and specifically relates to an environment detector, including control module, environment parameter acquisition module and clarifier switch module, environment parameter acquisition module with control module connects, the clarifier switch module with control module connects. The utility model discloses an environment detector is through setting up environment parameter acquisition module and clarifier switch module, detection ring border parameter more fully to intelligence is reported to the police and the automatic purifier that opens when environmental parameter exceeds standard, share the module through the setting, realize and mobile client wireless connection, look over environmental parameter in real time on mobile client to look over the historical environmental parameter of storage on the server of high in the clouds, made things convenient for user's use.