The best viewing time of Tantan Blue Tears

The best viewing time of Pingtan Blue Tears is mainly from April to May.

Among them, the peak season of blue tears is from April 15 to May 10. In sunny, windless and breezy weather, Pingtan has a high probability of blue tears. Generally speaking, blue tears begin to appear around 7 pm, and the blue tears in the early morning are the best. In the process of watching blue tears, it is suggested to keep quiet so as not to disturb fireflies.

In addition to April-May, Pingtan blue tears also occur in March 16 and March 19 to March 20, but the probability is relatively low. In short, it is recommended to know the weather forecast in advance, plan your itinerary, and go to Pingtan to see blue tears on sunny days, when there is no wind or breeze, so as to get the best viewing experience.

Causes of blue tears in pingtan;

1, plankton

Blue tears is a kind of plankton, belonging to a wide variety of biological groups. They live in seawater and usually feed on plankton and organic matter. Blue tears have the ability to shine because they contain a substance called fluorescein.

2. Water temperature and salinity

The growth and reproduction of blue tears are affected by water temperature and salinity. Generally speaking, higher water temperature and suitable salinity are beneficial to the growth and reproduction of blue tears. The water temperature and salinity in the sea area near Pingtan Island are suitable, so it has become a place where blue tears are concentrated.

3. Light and oxygen

The luminous effect of blue tears is influenced by light and oxygen content. Dark environment and high oxygen content help to improve the luminous effect of blue tears.