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Day by day
Tap a day for what to doWeather doesn't cause these: get emergency care right away for sudden leg weakness, numbness in the groin or inner thighs, or new trouble controlling your bladder or bowels.
General guidance, not medical advice. If your doctor has given you a plan for bad days, follow that.
The numbers behind it
Pressure rises and falls a little every day on its own. The changes below have that daily swing taken out, so only real weather counts.
Sea-level pressure
6-hour change
Daily swing removed · falls below the lineRecent alerts
Pressure history
Your attacks vs. pressure
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Log an episode
History
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Locations
Install on your phone
What to track
Each condition gets its own forecast and day-by-day plan on the Now tab.
Back pain follows slower change than migraine: a fall over a whole day, and pressure sitting below normal for your area. A change this size scores 100.
Notifications
Alerts that fall inside quiet hours are held and sent when quiet hours end.
Migraine thresholds
A change of this size scores 100. Lower numbers make the app more sensitive. The defaults are common starting points — tune them against your own log on the Trends tab.
Set the rise threshold to 0 to ignore rising pressure entirely.
Who's using this device
Each person has their own locations, settings and log. You can also tap the name at the top of the screen to switch. Push notifications stay with whoever turned them on for this device.