Smog Blue Guide Sign Design

Quick answer：

Smog blue guide sign design refers to the design of signage that uses a blue color scheme to alert and inform the public about smog or air pollution conditions. These signs often include symbols and text that indicate the level of air quality and may be found in areas with poor air quality. The use of blue in this context is to convey urgency and the need for caution due to the health risks associated with smog.