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Course Library · Lesson 6 of 6
Life · Guided lesson

Revise an activity decision when the report changes

About 8 minutes · 2 reading + 6 practice and checks
Time includes reading, practice, and questions. Extra videos or further study are optional.
See this course’s project requirements

An air-quality interpretation card with pollutant/time metadata, AQI categories, official guidance and revised activity choices for fictional users.

Keep your working files in your own notebook or software. Save a private description, checklist, and work link in My Proof.

What to include

  • Separate weather, appearance and pollutant information.
  • Compare place, pollutant, time and report type.
  • Classify all supplied category boundaries.
  • Match the particle guide to fictional group/activity facts.
  • Compare indoor alternatives with scope and heat/source limits.
  • Document a changed report and revised decision without personal health data.

Review and revise

Use these criteria to check your work and choose what to improve.

  • Method: applies the course-specific rules to the supplied cases with visible intermediate work.
  • Accuracy: results agree with the stated facts, units, boundaries and independent checks.
  • Reasoning: explains why the result follows and identifies a limitation or unresolved question.
  • Transfer: completes changed cases and revises the final project when a relevant assumption changes.
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Before you begin

The idea in everyday life

Fictional plan record: teenager’s particle AQI 130 at 14:00 supported a shorter, less intense activity. Updated matching location/pollutant card at 15:00 gives 170. The particle guide’s151–200 advice is supplied in lesson 4. No activity has been performed.

The idea

A decision should be revisited when location, pollutant, time or official guidance changes. Preserve the previous basis and the updated reason. A source check is not an actual exposure test or a medical result. A learner can complete this fictional decision card without sharing health information or undertaking the activity.

Follow along

Revise an activity decision when the report changes — worked practice

A decision should be revisited when location, pollutant, time or official guidance changes. Preserve the previous basis and the updated reason. A source check is not an actual exposure test or a medical result. A learner can complete this fictional decision card without sharing health information or undertaking the activity.

Fictional plan record: teenager’s particle AQI 130 at 14:00 supported a shorter, less intense activity. Updated matching location/pollutant card at 15:00 gives 170. The particle guide’s151–200 advice is supplied in lesson 4. No activity has been performed.

  1. 1. 1. Freshness

    Verify the matching report’s updated fields.

    You should see: Same place/particle/current type; new 15:00 timestamp.

  2. 2. 2. Category

    Classify the new 170.

    You should see: Unhealthy rather than the previous sensitive-group-only range.

  3. 3. 3. Revise

    Update the long/intense-activity decision from the applicable guide.

    You should see: Avoid long/intense outdoor activity; consider rescheduling or an appropriate alternative setting.

  4. 4. 4. Record

    Write old basis, new basis, choice and limits in the final card.

    You should see: The record documents guidance reasoning, not health outcomes or performed exposure.

Now change one thing

A later matching report gives AQI 90. Enter Moderate or Unhealthy for Sensitive Groups.

Your work

What to finish

A final air-quality card with old/new reports, revised choice and explicit evidence limits.

Common mistake

Watch for this

The learner demonstrates reading metadata, categories and advice. The fictional activity was not performed, so exposure and health outcomes remain untested.

How can I tell I understand it?

Classify a later report while retaining pollutant, group and source conditions.

Try 3 questions

Quick knowledge check

Answer all 3 questions. Get at least 2 right and the lesson completes automatically.

Not yet passed

You’ll get an explanation for each answer. Signed in? Your results save to your account.

1What changed between the matching reports?
2Why revise the previous activity reasoning?
3What can the final decision card demonstrate?
0 of 3 answeredApply the lesson to a short question, then review the explanation.
6
Finish this lesson

Pass the check. We’ll save the progress.

Answer all 3 questions above and get at least 2 right. You can review the explanations and try again.

Go to the knowledge check
Tools, templates, and lesson sources

Tools and templates

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Sources and further reading

Explore the references behind this lesson.

AirNow: outdoor U.S. AQI categories
Source & access notes · checked 2026-10-01

Web open/search showed the official page, its topic heading and relevant concept description. This is a content/source check, not a provider endorsement.

Access: Official page retrieved with the web reader on 2026-10-01; interactive tools and videos were not certified by retrieval.

Reuse: Original fictional teaching cases, calculations, questions and examples; link and short factual paraphrase only. No copied source exercises or illustrations.

AirNow: current, daily and forecast reports
Source & access notes · checked 2026-10-01

Web open/search showed the official page, its topic heading and relevant concept description. This is a content/source check, not a provider endorsement.

Access: Official page retrieved with the web reader on 2026-10-01; interactive tools and videos were not certified by retrieval.

Reuse: Original fictional teaching cases, calculations, questions and examples; link and short factual paraphrase only. No copied source exercises or illustrations.

AirNow: particle activity guide
Source & access notes · checked 2026-10-01

Web open/search showed the official page, its topic heading and relevant concept description. This is a content/source check, not a provider endorsement.

Access: Official page retrieved with the web reader on 2026-10-01; interactive tools and videos were not certified by retrieval.

Reuse: Original fictional teaching cases, calculations, questions and examples; link and short factual paraphrase only. No copied source exercises or illustrations.

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