How itsounds
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The Data
And The Map
The
Mauna Loa CO2
Record as music
Mar 1958
315.71 ppmFirst reading
May 2026
432.34 ppmRecord high
Sep 2026
426.07 ppmLatest reading
823 months · 163 record highs · May → Sep 2026 −6.27 ppm (seasonal swing ~6 ppm; 2025: 6.14)
Only the readings SonifySphere publishes are plotted. Data: NOAA GML Mauna Loa.
Crew
Registry
Richard Huynh
Team Leader
Erin Sur
Visual & UI Design
Quoc Pham
Audio Architect
Ryan Wang
Frontend Engineer
Aqila Nasiry
Atmospheric Research
Irmuun Temuulel
Systems Engineer
Credits
Hero image
AI-generated illustration (ChatGPT), not a real photo of Earth. A visible watermark appears on the home image.
SI tools
ChatGPT generated the home hero illustration. OpenAI Codex assisted with code, optimization, and documentation. Project data and authored presets are not AI-generated.
Audio
Tone.js/Web Audio synthesizes sounds from project data and user settings. Audio is not generated by an AI model; downloaded WAV files include provenance metadata.
Video
No AI-generated video is included. Any added later must carry a visible SI watermark.