Yes. 'Chernobyl' on HBO is a true story. It shows what happened in 1986 at the Chernobyl nuclear power plant in the Soviet Union. The series tells about the explosion, the heroism of the firefighters and other workers who tried to deal with the situation, and also the cover - up attempts by the Soviet authorities at that time. It's a very powerful and realistic portrayal of a huge disaster.
To a large extent, it is. The show aims to depict the Chernobyl disaster and its aftermath as accurately as possible, drawing from historical records and accounts. However, for the sake of storytelling, there could be some minor fictional elements or condensations.
The HBO's Chernobyl is based on the true events of the Chernobyl disaster. Firstly, it was caused by a flawed reactor design and human error during a safety test. The explosion was so powerful that it blew off the reactor's roof. Firefighters were among the first responders, not knowing the full extent of the danger. They heroically fought the fires while being exposed to lethal doses of radiation. The Soviet Union initially tried to cover up the scale of the disaster, but it was too big to hide completely.
One key aspect is the human error. Operators made mistakes during the safety test that led to the explosion. Another is the cover - up. The Soviet Union initially tried to downplay the disaster. Also, the heroism of the workers and liquidators who risked their lives to try to control the situation is important.