Check route, time and effort
From a reading to a decision
- 01CheckLocal reading + official advisory
- 02AdjustTime, duration or intensity, as advised
- 03RecheckBefore leaving: conditions can change
Before a run, check the local reading and its timestamp near the route, then check the local health advice. A hard interval session and an easy short run do not create the same breathing demand, so the planned effort belongs in the decision alongside the local conditions.
Current data and forecasts have different jobs
Use a forecast to arrange tomorrow’s session, then check current conditions near departure. AirNow distinguishes forecasts from current NowCast reporting: forecasts are predictions for a future period, while current reporting uses recent monitor data. This distinction applies conceptually anywhere, though methods and index scales differ by service.
Keep an adaptable training plan
When local advice is less favourable, a shorter or easier session, a different time or an indoor workout may be reasonable alternatives. Do not treat an internet AQI cutoff as personal medical advice. If you have a condition, symptoms or a clinician’s exercise plan, that guidance should lead the decision.
Sources
Educational information; personal health questions belong with your clinician.
Explore next
- PM2.5: what it means and how to use the reading
- PM10: what it is and how it differs from PM2.5
- Air quality index: what AQI means
- Air pollution and health
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