BEIJING - China's maritime authority said on Wednesday that to date there is no direct threat to China's territorial waters posed by the pollution from Japan's Fukushima nuclear power plants.

However, some contamination has been monitored in China's exclusive economic zone in the waters near the southern coast of Taiwan, said Li Xiaoming, a senior official in charge of maritime environmental protection with the State Oceanic Administration.

Moreover, different quantities of nuclear materials have been detected in fish caught in the Pacific Ocean, but the amounts will not reach a dangerous level according to the monitoring so far, Li said.

The official promised that the authority will publish relevant information in a timely manner once any threat is detected to ensure food safety for the public.