Activity guide · running
Running and air quality: how to read a forecast without false precision
Air quality is one input to a run, not a verdict on whether a person should exercise. A responsible forecast comparison keeps the named index, complete duration, route limits, source timestamp, and official guidance visible.
Activity changes caution, not rank
Begin with the named scale, not the color alone
AirAgora’s live result uses the official OpenWeather air-pollution scale from 1 to 5. A color or category has meaning only with that provider label, pollutant concentrations, timestamp, and modeled context.
AirAgora preserves the provider category for display and derives comparable severity separately from each documented pollutant concentration band to explain the main pollutant.
Exertion is context, not a hidden ranking formula
Running can involve more sustained ventilation than rest, which is why public activity guides distinguish activities and sensitive groups. AirAgora uses the selected activity to make caution copy more prominent; it does not silently reorder the environmental forecast.
Keeping ranking separate from activity makes the result consistent and explainable. It also avoids pretending that a general web tool knows pace, fitness, diagnosis, medication, symptoms, or a clinician’s advice.
Cover the duration and route of the run
A single low hourly point may be followed by deterioration. AirAgora compares complete two-hour windows and includes the worst hour in a 70/30 score. Missing values invalidate a candidate instead of being treated as clean.
A route can cross roads, parks, slopes, valleys, tunnels, indoor tracks, or multiple model cells. The broad OpenWeather grid—documented across a broad provider grid—does not create a street-level exposure estimate.
Read an all-poor day literally
When every complete practical window is poor or unhealthy, the lowest score is only the least polluted available period. It is not converted into “good,” “healthy,” or “safe to run.” The wording and warning remain visible.
Wildfire smoke, dust, or another incident can be more local and dynamic than the forecast. Official public-health and emergency guidance should take priority, and individual medical questions belong with an appropriate professional.
A practical pre-run forecast routine
Confirm the city, timezone, OpenWeather 1–5 label, source time, stale status, category, main pollutant, and trend across the whole planned outing. If candidate windows are materially similar, logistics may be a better tie-break than a small numerical difference.
Use AirAgora’s running tool when schedule flexibility exists. Saved profiles and alerts can reduce repeated checking, but notification automation does not guarantee delivery or replace official warnings.
- Check the full period, not one hour.
- Notice whether the result is modeled or observed.
- Consider route-specific conditions the grid cannot resolve.
- Do not translate a category into a personal diagnosis.
- Follow local authorities during severe events.
Direct answers
Frequently asked questions
Does a lower-scoring window mean everyone should run then?
No. It means lower derived severity within this forecast comparison. It is not individual health advice or a universal guarantee.
Why does AirAgora keep the same ranking for every activity?
The environmental order remains deterministic and explainable. Activity changes caution wording rather than creating an opaque personalized formula.
Can roadside conditions differ from the city result?
Yes. A broad model grid cannot resolve every road, tunnel, park, slope, building, or plume.
What if my run is shorter than two hours?
The two-hour window remains broad context. AirAgora does not claim a custom one-hour exposure estimate.
How does the planner handle missing hours?
Both hours must contain valid component severity derived from concentrations. Missing values are not interpolated or assumed clean.
What should I do during official smoke warnings?
Follow the relevant local authority and professional guidance. AirAgora’s modeled planner cannot override incident-specific instructions.
Evidence register
Sources and further reading
The links below identify the primary references used on this page. Selection, summary, and presentation are AirAgora modifications.
Keep exploring
AirAgora provides informational planning guidance, not medical advice. Local conditions can differ from modeled forecasts; follow official guidance during severe events.