# Bad BME280 readings

**URL:** <https://community.purpleair.com/t/bad-bme280-readings/2307>\
**Category:** Sensors\
**Created:** [October 9, 2022, 12:18am UTC](https://community.purpleair.com/t/bad-bme280-readings/2307 "2022-10-09T00:18:21Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![ExplodingLemur](https://avatars.discourse-cdn.com/v4/letter/e/a5b964/32.png) [@ExplodingLemur](https://community.purpleair.com/u/ExplodingLemur)\
**Post date:** [October 9, 2022, 12:18am UTC](https://community.purpleair.com/t/bad-bme280-readings/2307/1 "2022-10-09T00:18:21Z")

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My BME280 sensor was showing 100% humidity all the time so I found an identical breakout board and replaced it. The new one worked for a bit, but now I’m getting bad readings for all the values:  
BME280: 370.00°F RH: 100.00% Dew: 370.00°F P: -256.98 hPa ADC: 0.05V

Any ideas?