Sign up to save your podcasts
Or
Share “Subway Particle Levels Aren’t That High” by jefftk
Share to email
Share to Facebook
Share to X
Share to email
Share to Facebook
Share to X
Or
“Subway Particle Levels Aren’t That High” by jefftk
I recently read an
article
where a blogger described their decision to start masking on the
subway:
I found that the subway and stations had the worst air quality of my
whole day by far, over 1k ug/m3, ... I've now been masking for a
week, and am planning to keep it up.
While subway air quality isn't great, it's also nowhere near as bad as
reported: they are misreading their own graph. Here's where the
claim of "1k ug/m3" (also, units of "1k ug"? Why not "1B pg"!) is
coming from:
They've used the right axis, for CO2 levels, to interpret the
left-axis-denominated pm2.5 line. I could potentially excuse the
error (dual axis plots are often misread, better to avoid) except it
was their own decision to use a dual axis plot in the first place!
Hat tip to [...]
---
First published:
July 9th, 2025
Source:
https://www.lesswrong.com/posts/rj75cGJhPCHnPMDvF/subway-particle-levels-aren-t-that-high
---
Narrated by TYPE III AUDIO.
---
Images from the article:
Apple Podcasts and Spotify do not show images in the episode description. Try Pocket Casts, or another podcast app.
View all episodes
By LessWrongI recently read an
article
where a blogger described their decision to start masking on the
subway:
I found that the subway and stations had the worst air quality of my
whole day by far, over 1k ug/m3, ... I've now been masking for a
week, and am planning to keep it up.
While subway air quality isn't great, it's also nowhere near as bad as
reported: they are misreading their own graph. Here's where the
claim of "1k ug/m3" (also, units of "1k ug"? Why not "1B pg"!) is
coming from:
They've used the right axis, for CO2 levels, to interpret the
left-axis-denominated pm2.5 line. I could potentially excuse the
error (dual axis plots are often misread, better to avoid) except it
was their own decision to use a dual axis plot in the first place!
Hat tip to [...]
---
First published:
July 9th, 2025
Source:
https://www.lesswrong.com/posts/rj75cGJhPCHnPMDvF/subway-particle-levels-aren-t-that-high
---
Narrated by TYPE III AUDIO.
---
Images from the article:
Apple Podcasts and Spotify do not show images in the episode description. Try Pocket Casts, or another podcast app.
More shows like LessWrong (30+ Karma)
View all
Making Sense with Sam Harris
26,311 Listeners
Conversations with Tyler
2,461 Listeners
The Peter Attia Drive
8,597 Listeners
Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas
4,170 Listeners
ManifoldOne
97 Listeners
Your Undivided Attention
1,608 Listeners
All-In with Chamath, Jason, Sacks & Friedberg
10,041 Listeners
Machine Learning Street Talk (MLST)
97 Listeners
Dwarkesh Podcast
528 Listeners
Hard Fork
5,529 Listeners
The Ezra Klein Show
16,055 Listeners
Moonshots with Peter Diamandis
570 Listeners
No Priors: Artificial Intelligence | Technology | Startups
138 Listeners
Latent Space: The AI Engineer Podcast
93 Listeners
BG2Pod with Brad Gerstner and Bill Gurley
473 Listeners