History & impact
How the score has actually performed
Two weeks of predictions in Spokane, plotted against measured outcomes and clinic-reported load.
Mean absolute error
3.4
points on a 0–100 scale
Within 5 points
100%
of the 14 days shown
Lead time
3.2 days
median warning before a peak
Predicted vs actual
Aug 12 – Aug 25, Spokane
This page exists to make the score's track record visible, not to be an analytics suite. Actual strain is derived from measured PM2.5 after the fact; clinic load is self-reported.