1h30 of natural radiation recorded in the 2023 cloud chamber. The dimension of screen is 20 cm (up-down). Altitude of recording : 260 m near Dijon, France. There is no magnetic field. I will add some timeline linking to interesting event. I looked only at the first 17 minutes, not many proton but a probable and rare triplet creation at 10:45.

Muon decay at 24:44 and    • Muon decay in a cloud chamber   for explanation

00:17 Pair creation (middle of screen)
00:28 At right, ejection of an electron from an energetic incoming one.
00:32 At top left, a proton ejecting an electron
00:42 Far right top, a proton (top) ejecting 2 electrons
00:45 Bottom left, near middle. An electron is moving upward then encounter a nucleus and undergo a huge deflection (electrostatic collision). The electron lose a great energy by Bremsstrahlung during the collision and goes not too far after that. That we call a "kink".
00:53 Ejection of an electron from an energetic incoming one.
00:59 Alpha particle (natural radon Rn 222) ejecting an electron at the end of its path.
01:09 beautiful kink example
01:24 pair creation in middle of screen
01:30 nice path of electron, with a kink in the near end
01:50 In top, a particle of high energy, maybe a muon which undergo no deflection ? it's difficult to observe muon without a magnetic field to discriminate them from high energy electrons.
04:14 at right top, a violent kink, nice example of back scattering.
6:10 path of an electron
7:27 middle, an electron "fish" doing a double kink
9:21 middle right, multiple electron ejection from a pair creation ?
9:37 top right, begginning of an electromagnetic shower but not wonderful.
10:44 A discrete proton, not great not terrible.
10:45 a triplet creation a very rare electromagnetic process (same as pair creation, but this one occurs in the field of an electron). At 3 MeV in air the triplet effect is 100x time less probable than pair creation, but if the gamma is about 10 MeV, it's only 10x less probable. I rarely observed this event, possible it's the first with a good quality.
11:35 Tiny electromagnetic shower
11:38 large energy pair creation
12:36 at right another dramatic kink, but more fleeting
14:39 a kink
14:55 If you look closely, there is 2 energetic particle going straight up and down maybe protons coming from a far event outside the cloud chamber, maybe from the wall of the room.
16:49 2 pair creation separated 1 seconds appart (middle bottom and right)
17:13 top left Electromagnetic shower "not great"

If you see something useful you can indicate the timeline.