Airport parking congestion info., show you each Japanese airport parking lot congestion informations. Also congestion forecast (experimental) is avilable.
Each airport's parking lot congestion status on Twitter

AOJ Aomori Airport

Vacancies Conguestion rate 0%
Aomori Airport Parking lot

NKM Nagoya Airport

Vacancies Conguestion rate 0%
Nagoya Airport Parking lot
Each airport's parking lot congestion status on Twitter