As of today, past peak, season runs to ~July 10. Earth Exhibit tracks the live conditions and flags it the moment it is on.
Brood II is a 17-year periodical cicada aggregation of Magicicada species that appears en masse across parts of the Mid-Atlantic United States.
When soil temperatures reach the emergence threshold, synchronized nymphal emergence produces very high local densities for several weeks, making it an unusual and noisy natural spectacle.
Where to see it
A taste of where to see it. The full map, exact coordinates and the best timing for each spot live in the app.
| Viewing spots |
|---|
| Wharton State Forest - Batsto Area |
| Rock Creek Park - Peirce Mill / Nature Center Area |
| + 2 more spots, with exact coordinates and timing, in the app → |
This is the short version
This page shows a taste. The app has the full list of where to see this, the exact timing, and live conditions for 1,000+ natural phenomena worldwide, so you know the moment one is genuinely worth the trip.