Variable light xed light source road illumination device having atmospheric purification function

Provided is a variable light XED light source road illumination device having an atmospheric purification function, comprising an environmental parameter sensor module (11), an air filtering purification device (12), a control module (13), a ballast (14) and a dual-colour XED lamp (15). The road illumination device can perform light-change switching according to an environmental parameter and is able to provide high-quality illumination for a place needing illumination in various weather environments, thereby meeting vision requirements more suitable for the human beings.