Solar Activity Monitor

Solar X-ray Irradiance plot to track C, M, and X class of solarflares.

Data Coverage: 2017 - 2025

Data available for 104 months Latest: August 2025

Data Acknowledgement

This solar activity monitor utilizes GOES (Geostationary Operational Environmental Satellite) X-ray irradiance data. GOES satellites measure solar X-rays in two wavelength bands: λ₀ ~ (0.05 − 0.4) nm (short wavelength) and λ₁ ~ (0.1 − 0.8) nm (long wavelength).

Archive Data (2017-present): Historical GOES XRS data from NOAA archives, accessed via NCEI and processed using SunPy library for scientific analysis and solar flare event detection.

Real-time Data: Live 1-minute resolution measurements from NOAA Space Weather Prediction Center via their real-time JSON API (services.swpc.noaa.gov).

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Select a Date

Click any date on the calendar above to view GOES X-ray irradiance data and solar flare events