Street lighting system comprising at least one street lighting device (100, 200, 300.1. to 300.8, 500) comprising: - at least one support element (102, 202), - at least one lighting module (106, 206) arranged at the support element (102, 202), - wherein the support element (102, 202) comprises at least one outer wall (108, 208) enclosing an interior space (110, 210), - wherein the outer wall (108, 208) comprises at least one air inlet opening (114, 214, 514) and at least one air outlet opening (112, 212, 512), and - at least one air purification arrangement (122, 222, 522) arranged in the interior space (110, 210), - said air purification arrangement (122, 222, 522) comprising: - at least one air duct (116, 216) arranged between the air inlet opening (114, 214, 514) and the air outlet opening (112, 212, 512); and - at least one air purification module (118, 218, 518) arranged in and/or at the air duct (116, 216), wherein the air purification module is configured to purify the air flowing from the air inlet opening (114, 214, 514) through the air duct (116, 216) to the air outlet opening (112, 212, 512), - a local control module. - wherein the street lighting system further comprises: - at least one central control device at least configured to control the at least one air purification arrangements (122, 222, 522) of the at least one street lighting device (100, 200, 300.1. to 300.8, 500), wherein the central control device is implemented in a backend system remotely located from the at least one street lighting device, - wherein the central control device comprises at least one receiving module configured to receive at least one environmental sensor signal from an environmental sensor located at least within a predefinable distance of at least one first street lighting device (100, 200, 300.1. to 300.8, 500), and - the central control device comprises at least one central control module configured to control at least the first street lighting device (100, 200, 300.1. to 300.8, 500) based on the received environmental sensor signal, and - wherein the central control module is configured to activate two or more first street lighting devices, by transmitting a control signal to the corresponding local control module, which are located at a predeterminable distance from the installation location of the environmental sensor that measured the air concentration parameter value. - at least one support element (102, 202), - at least one lighting module (106, 206) arranged at the support element (102, 202), - wherein the support element (102, 202) comprises at least one outer wall (108, 208) enclosing an interior space (110, 210), - wherein the outer wall (108, 208) comprises at least one air inlet opening (114, 214, 514) and at least one air outlet opening (112, 212, 512), and - at least one air purification arrangement (122, 222, 522) arranged in the interior space (110, 210), - said air purification arrangement (122, 222, 522) comprising: - at least one air duct (116, 216) arranged between the air inlet opening (114, 214, 514) and the air outlet opening (112, 212, 512); and - at least one air purification module (118, 218, 518) arranged in and/or at the air duct (116, 216), wherein the air purification module is configured to purify the air flowing from the air inlet opening (114, 214, 514) through the air duct (116, 216) to the air outlet opening (112, 212, 512), - at least one air duct (116, 216) arranged between the air inlet opening (114, 214, 514) and the air outlet opening (112, 212, 512); and - at least one air purification module (118, 218, 518) arranged in and/or at the air duct (116, 216), wherein the air purification module is configured to purify the air flowing from the air inlet opening (114, 214, 514) through the air duct (116, 216) to the air outlet opening (112, 212, 512), - a local control module. - wherein the street lighting system further comprises: - at least one central control device at least configured to control the at least one air purification arrangements (122, 222, 522) of the at least one street lighting device (100, 200, 300.1. to 300.8, 500), wherein the central control device is implemented in a backend system remotely located from the at least one street lighting device, - wherein the central control device comprises at least one receiving module configured to receive at least one environmental sensor signal from an environmental sensor located at least within a predefinable distance of at least one first street lighting device (100, 200, 300.1. to 300.8, 500), and - the central control device comprises at least one central control module configured to control at least the first street lighting device (100, 200, 300.1. to 300.8, 500) based on the received environmental sensor signal, and - wherein the central control module is configured to activate two or more first street lighting devices, by transmitting a control signal to the corresponding local control module, which are located at a predeterminable distance from the installation location of the environmental sensor that measured the air concentration parameter value.