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Cycling planner

Best time to cycle today: compare air quality across a practical ride

The cycling tool ranks complete modeled windows for the selected city and highlights exertion caution. It cannot model your exact route, traffic exposure, wind at street level, or personal response.

Visible sources Explainable method No universal-safety claim
01

A city window is the starting point, not the whole route

AirAgora evaluates the city coordinate and local timezone with the same deterministic two-hour rule. That gives a consistent broad timing comparison. A long ride can cross multiple grid cells and environments, so the result should not be read as a route-integrated exposure estimate.

Road type, distance from traffic, tunnels, elevation, stops, indoor segments, and local plumes can create conditions the broad modeled grid does not resolve.

02

Cycling changes caution, not the ranking

Activity selection does not alter the ordered environmental windows. It changes the caution threshold and wording to acknowledge that exertion and duration may matter. This avoids hidden personalization and keeps the method testable.

A person with individual health concerns needs guidance appropriate to that context. AirAgora provides information and does not diagnose fitness to ride.

03

How the two-hour score handles a changing forecast

Each candidate needs two valid consecutive hours. The score gives 70 percent weight to the mean severity and 30 percent to the worst hour, so a deteriorating second hour remains visible.

If a shorter ride fits inside one hour, the comparison is still useful context but not a custom one-hour recommendation. Premium extends the planning horizon; it does not change the underlying score formula.

04

Compare the scheme and pollutant, not just the color

A European AQI color and a U.S. AQI color do not imply identical breakpoints. AirAgora attaches the scheme name and selects the main pollutant from documented concentration-band severities rather than mixing concentration units.

The component can help explain the aggregate result, but it cannot establish the source along a cycling corridor. Static city content intentionally avoids causal claims about traffic or industry.

05

When to defer to official information

During wildfire smoke, dust, an industrial release, or another severe event, consult local authorities. An official station or incident notice may be more relevant to a specific route and current plume than a broad forecast.

AirAgora never paywalls severe-condition caution. If the OpenWeather provider is unconfigured or unavailable and no bounded stale result exists, it shows unavailable rather than a simulated ride window.

  • Check forecast time before leaving.
  • Compare the hours that cover the whole ride.
  • Consider route changes across neighborhoods or grid cells.
  • Keep the OpenWeather scale beside the number.
  • Follow incident-specific official instructions.

Direct answers

Frequently asked questions

Does AirAgora calculate exposure along my cycling route?

No. It compares a modeled city coordinate. A route can cross different grid cells and local environments.

Why use a two-hour cycling window?

It is the fixed practical planning unit and keeps a worsening second hour from being hidden by one attractive point.

Does cycling change the selected window?

No. It changes caution emphasis, not the environmental ranking.

Can traffic make my route different?

Yes. The broad modeled grid cannot resolve every road, tunnel, junction, or near-road microenvironment.

What happens on an all-poor day?

The result uses least-polluted language and keeps caution visible. It never calls the top-ranked window safe.

Can I create a cycling alert?

Accounts support saved profiles and alerts within free or Premium limits. The server enforces those entitlements.

Evidence register

Sources and further reading

The links below identify the primary references used on this page. Selection, summary, and presentation are AirAgora modifications.

  1. 1.OpenWeather Air Quality API documentation
  2. 2.U.S. EPA AirNow activity guides
  3. 3.WHO global air quality guidelines (2021)

Keep exploring

AirAgora provides informational planning guidance, not medical advice. Local conditions can differ from modeled forecasts; follow official guidance during severe events.