A system for providing allergen information includes an allergen sensor located on a vehicle designed to detect allergen data corresponding to levels of at least one allergen in an environment of the vehicle. The system further includes a network access device located on the vehicle and designed to transmit the allergen data to a remote server and to receive an allergen map from the remote server, the allergen map being based on the allergen data from the vehicle and from additional vehicles, and indicating the levels of the at least one allergen at various locations on the allergen map. The system further includes an output device designed to output data. The system further includes an electronic control unit (ECU) coupled to the allergen sensor, the network access device, and the output device and designed to control the output device to output the allergen map received from the remote server.