London Underground users should know about toxic dust risk, whistleblower says

https://www.theguardian.com/uk-news/2026/jul/18/london-underground-passengers-should-know-about-toxic-dust-risks-whistleblower-says

by YeGoblynQueenne • 5 days ago

23 7 5 days ago

theguardian.com

inigyou• 5 days ago

Good thing we're all wearing face-masks to avoid cold, flu, and COVID-19, right?

heavenlyblue• 5 days ago

Thise face masks are useless against anything that doesn't directly spray in your face.

subscribed• 4 days ago

When I breath in face mask clings tighter to my face, meaning the air gets filtered, meaning that unless this dust is smaller than viruses, they'd help.

Of course depends on what face masks you'd be using. Surgical are of not much help, but other than that efficiacy has been studied and confirmed very high in that last pandemic, which spread mostly by airborne particle, not droplets (so contrary to your claim they protect).

https://pmc.ncbi.nlm.nih.gov/articles/PMC10446908/

Smaug123• 4 days ago

You can literally taste the difference between wearing a mask on the Tube and not.

apothegm• 4 days ago

Surgical masks aren’t. But N95/KF94 were originally designed for exactly this sort of use case.

RugnirViking• 4 days ago

Could you post a link to some sort of study or substantive reason you think this?

dbetteridge• 5 days ago

When you come home and sneeze black after a few minutes on the platform twice a day, it's safe to assume that's not great for your lungs...

London Underground users should know about toxic dust risk, whistleblower says

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