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House roll call 104 · 88th Congress · Dec 10, 1963

H.R. 6518. The clean air act. Adoption of conference report.

On Dec 10, 1963, the House voted 273–109 (HR 6518). Result: passed. By party: Democrats 206–15, Republicans 71–97. It was a split vote: the parties took opposite sides, with some members crossing over. 86 members voted against their own party.

During the 88th Congress (1963–1964), Lyndon B. Johnson was president, and Democrats held majorities in both the House and Senate.

Yes
273
No
109
Did not vote
9
Date
Dec 10, 1963

By party

  • Democrats206 yes · 15 no · 6 didn’t vote
  • Republicans71 yes · 97 no · 3 didn’t vote

Who broke with their party

And 6 more.

The bill

H.R. 6518: To improve, strengthen, and accelerate programs for the prevention and abatement of air pollution

How each representative voted: Yes

How each representative voted: No

Voted present

Did not vote

Other votes

From Voteview roll call records.

Cite or embed this page

Capitol Receipts, “H.R. 6518. The clean air act. Adoption of…: House Vote, Dec 10, 1963,” https://www.capitolreceipts.com/vote/88-H-104/h-r-6518-the-clean-air-act-adoption-of (accessed 2026-10-17).