Context intelligence by Nucleus
Nucleus AI
NEW YORK CITY · SEPTEMBER 11 ARCHIVES

Explore the
September 11 archives.

Ask about air quality, health concerns, and the City’s response. Search the archive with Nucleus and follow the evidence to the original documents.

Browse the original NYC document portal

AI can make mistakes. Check the original sources.

Need more questions?

Tell us what you're researching and we'll help with access.

From question to evidence

Search. Nucleus finds relevant information in the September 11 archive connected to this chat.

Verify. The assistant checks draft claims against the evidence. Expand a verification report to see what was supported.

Explore. Open a source card to read the excerpt or preview the original PDF.

Try a question, then create an account for more. Starting a new chat does not reset your allowance. Chats and their audit trails are saved. You can reopen them from the sidebar, even after closing this tab.