Earth's heartbeat on

Monday, September 21, 2026

38
Calm
Kp 1.7
What was happening

Earth's electromagnetic pulse is showing moderate activity, with the fundamental and second harmonic bands clearly visible and stable. There are some localized energy spikes within the 12-16 Hz range, indicating a gentle increase in overall resonance.

What came next

Conditions are expected to remain stable for the next 24 hours. However, the solar wind's southward Bz component suggests a potential for increased Schumann resonance activity in the 48-72 hour timeframe as it couples with Earth's magnetosphere.

Schumann
38
Peak: 52
72 readings
Geomagnetic
Kp 1.7
Avg: Kp 0.8
Quiet
Solar wind
355 km/s
Bz min: -3.0 nT
M flare: 10%
Sleep that night
85
SQI
Excellent
Calm cosmic conditions for restful sleep
Moon
77%
Waxing Gibbous
Kp peak
1.7
observed that day
Schumann
Calm
station average
6h drop
-10.0
hPa in 6h

Quiet geomagnetic field, no notable lunar or atmospheric pressure stressors. A favourable night for deep sleep — your nervous system gets a clean slate.

Estimate based on real measurements that night. Sleep effect grounded in peer-reviewed studies (Cajochen et al., Current Biology 2013 on lunar phase; Babayev 2002 on geomagnetic-melatonin coupling). Not medical advice.

Could it have affected you?

Pick the symptoms you noticed that day — we'll show how they line up with what the Earth was doing.

Correlation is not causation. This is for self-reflection, not medical advice. If you have persistent concerns, talk to a doctor.

Wellness insight

This is a good time to focus on mindful breathing and grounding yourself in the present moment.

Share this day

Last 30 days rolling 30-day window

Open archive of Earth's heartbeat, updated every hour. Free forever. Your data stays yours.

Weather data © OpenWeather

Our free app

What phase are you in today?

aimy.bio — a free, no-account biorhythm tracker. Check your physical, emotional & mental cycles in seconds. A daily curiosity.

See your day