Building Biology SBM-2024 AC magnetic field bands
Sleeping-area grades at 50/60 Hz: below 0.2 mG no anomaly, 0.2–1 mG weak, 1–5 mG strong, above 5 mG extreme.
Precautionarysensitivepower frequency and harmonics
Last verified 12 August 2026.
- Limit value
- 0.2–5 mGPrecautionary value — not law anywhere — Equivalent in nT: <20 / 20–100 / 100–500 / >500. Harmonics from ~2 kHz to 1 MHz are graded more severely, by a factor of roughly 10–100.sources: sbm-2024
- Quantity
- magnetic flux density
- Frequency band
- power frequency and harmonics
- Population
- sensitive
- Set by
- Building Biology SBM-2024 evaluation guidelines (2024)
- Kind
- Precautionary — not law anywhere
Sources
- sbm-2024 Building Biology Evaluation Guidelines for Sleeping Areas (SBM-2024) — Institut für Baubiologie + Nachhaltigkeit (IBN), 2024. ngo, link checked 2026-08-12.
Same record, other formats