GoKawiilKaitlyn Cimino / Android Authority
TL;DR Pixel Watch wearables have been failing to collect SpO2 and skin temperature data since the watches’ March update.
It seems like the issue can be solved by factory resetting an affected watch.
Google says it’s working on a solution.
Update, March 10, 2026 (3:42 PM ET): A fix for missing SpO2 and skin temperature data is in the works. The PixelCommunity Reddit account has commented on a thread about these issues, saying that the Pixel Watch “team is aware of this issue and are working on a fix.” Original article, March 9, 2026 (10:28 AM ET): Google’s March update for Pixel Watch is apparently causing some issues. User reports are floating around this week describing problems with tracking both blood oxygen concentration (SpO2) and skin temperature overnight.
PiunikaWeb has rounded up some of these reports, which seem to have started over the weekend. Most of the reports I’ve seen are about the Pixel Watch 4, but users have mentioned the Pixel Watch 3 and Pixel Watch 2, as well.
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User accounts of the issues say that overnight SpO2 and skin temperature data are missing without any explanation. Both metrics are only tracked during sleep, so it’s possible that these issues stem from broader complications with sleep tracking.
As for a fix, a user labeled as a Product Expert on the Pixel Watch Help forum suggests clearing the Fitbit app’s cache on both the affected Pixel Watch and the phone it’s paired with and restarting both devices, though a user reporting the issue on the Fitbit Community forum says that that method didn’t solve their problems.
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