Cicada 2024 Factspan. This year, two broods of flying cicadas have appeared at the same time, and it is the first time they have emerged simultaneously since 1803. That’s because 2024 will see two separate batches of periodical cicadas emerge en masse, spread across much of the eastern half of the u.s.
Maps of two cicada broods, reunited after 221 years. Trillions of cicadas are about to emerge.
