Ultrasonic Humidifier (Tap Water)
Cool-mist humidifiers filled straight from the tap.
How this score is built
- 100Start
- 86.2Chemical hazard 3 × 4.6−13.8
- 69.2Everyday exposure 5 × 3.4−17
- 64Persistence 2 × 2.6−5.2
- LowThe band64 sits in 60–79.
What each input rests on
| Input | Rating | Evidence |
|---|---|---|
| Chemical hazard | 3/10 | unsourced input |
| Everyday exposure | 5/10 |
|
| Persistence | 2/10 | unsourced input |
Ratings are editorial. A study listed here supports the rating; it did not compute it. How the index is built
What this means for you
Ultrasonic units aerosolise whatever is in the tank — dissolved minerals become the fine white dust that settles on surfaces, and a standing tank can grow microbial films. Distilled water and routine cleaning address both.
Evidence strength: moderate
See where your whole exposure load is highest — free Exposure Score →This entry and the whole Index, on your phone.
