Systems and methods are disclosed for environmental data sharing and context-based relevance determination. One method comprises receiving, by an environmental condition response system of a receiving vehicle, environmental data associated with a sending vehicle. Then, the environmental condition response system of the receiving vehicle analyzes the received environmental data for relevance based on contextual information of the receiving vehicle. Based on determining that the received environmental data is relevant to the receiving vehicle, the environmental condition response system determines a remedial action and sends instructions to perform the remedial action to a corresponding vehicle component system of the receiving vehicle.