Open Formula & Data Governance: Every Number Reproducible
Space weather wellness apps often hide behind black-box mysticism. AstraCalm publishes its exact scoring math, sentinel filters, and correlation rules.
🧮 The 0–100 AstraCalm Sky Score Formula
Sky Score = min(62, Kp/9 × 68) + min(26, |min(0, Dst)|/250 × 26) + Flare Weight (X=12, M=7, C=3, B/A=1.5). Quiet baseline nights (Kp ~2, Dst ~-11 nT) score 24–30/100 (optimal sleep window); G2+ storms (Kp ≥ 6) score 70–95/100.
🛡️ Strict Governance: Missing Stays Missing
Kyoto WDC sentinel values (3999 / 9999) are converted to null with a quality_flag at ingest. We never interpolate or forward-fill missing telemetry hours, and we fail build gates if Kp lag exceeds 6 hours.
🔒 100% Local-First Privacy & Blind Check-In
Your mood, sleep, and symptom logs live exclusively in your browser's localStorage. Zero accounts, zero cloud tracking. Our Blind Check-In veil hides live Kp numbers until after you log to prevent nocebo bias.
Storms & Cardiovascular Risk (Population)
28 of 36 epidemiological studies report statistical links (RR 1.3–1.5) across millions — never individual causation.
Blood Pressure & HRV Autonomic Adaptation
Cohort tracking links geomagnetic disturbance days with small BP shifts; higher resting HRV buffers storm stress.
Melatonin Rhythm & Individual Headache
Pineal melatonin modulation remains a hypothesis; zero peer-reviewed studies can blame one person's migraine on a flare.