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Course 246 · Life course 68

Use Air Quality Information for Daily Choices

An air-quality interpretation card with pollutant/time metadata, AQI categories, official guidance and revised activity choices for fictional users. Six introductory lessons use supplied practice cases.

Before you start

Use paper or a free text document; every core input is supplied in the lessons.

Understand Weather Forecasts for Everyday Plans See everything you’ll need

Free download · Original practice data · No external account required. Download the starter pack

What you’ll leave with

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

Start course Start without an account. Sign in to save lesson progress across devices.

Your project

Start with the practice files. Build your project one lesson at a time.

Practice files are free without an account. Sign in to save your project record in My Proof: a description, checklist, and optional work link. Keep the original files in your own app or notebook; saving a project record does not upload them.

  1. Get your materialsDownload practice filesSupplied practice cases, a blank working record, complete lesson instructions, and annotated worked examples.
  2. Make your projectView the project checklist Work in your own notebook, document, or software. Use the supplied practice examples when you prefer.
  3. Keep a private recordSave a project record Sign in to save a description and checklist, then return to update them.
Course handbook

Know the route before you begin.

Here’s what you’ll need and what you’ll make. You can return to this guide during any lesson.

Who this is for

Learners aged 14+ building subject foundations and practical independence. Adults can use the same supplied cases.

Prepare before lesson one
  • Use paper or a free text document; every core input is supplied in the lessons.
  • A basic calculator is optional; show the method, units and checks.
  • Suggested earlier course: Understand Weather Forecasts for Everyday Plans
Your final project

Finish with proof you can use.

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

Save a project record in My Proof
See project checklist and review criteria

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.
Three ideas to help you along the way
Three useful ideas

The rules behind the steps.

01

Check the specific conditions

Weather measurements such as temperature and rain do not substitute for pollutant information. The U.S. Air Quality Index communicates outdoor pollutant-related concern through index values and categories; it is not a temperature, a personal diagnosis or a universal declaration that every setting is safe. Clear-looking air can still have pollutants.

02

Follow the supplied evidence

A useful air report identifies place, pollutant, update time and whether it is a current estimate, daily summary or forecast. A forecast is a prediction rather than a measurement of the exact hour. A stale or distant report may not fit a decision; compare like reporting types and check the official local source.

03

Keep the limits visible

Outdoor AQI does not certify the air in every indoor room. Outdoor particles can enter buildings, while indoor sources and ventilation also affect conditions. Moving indoors is not automatically a suitable answer if the setting has another problem, such as extreme heat or an active pollution source. Use responsible facility guidance rather than designing repairs or handling hazardous materials.

What do these words mean?
Key words

Key terms worth knowing.

AQI
An index communicating outdoor pollutant-related concern in a specified system.
Forecast
A prediction for a stated future reporting period.
Current estimate
A timely report using the stated monitoring and calculation method.
Metadata
Place, pollutant, time and type information needed to interpret a report.
Sensitive group
A group identified by the relevant public pollutant guidance.
Indoor air quality
Air conditions within buildings, affected by indoor and outdoor factors.
Your route

6 lessons.
One useful project.

Work in order the first time. Each lesson makes something the next lesson can use.

  1. 1
    Up next

    Separate air pollution from weather

    Identify pollutant-index information separately from weather and visual appearance.

  2. 2
    6 min

    Read location, pollutant and time metadata

    Select a relevant air report by place, pollutant, reporting type and timestamp.

  3. 3
    7 min

    Use the U.S. AQI category ranges

    Classify supplied U.S. index values accurately at inclusive category boundaries.

  4. 4
    7 min

    Match official particle guidance to a fictional activity

    Match supplied particle-AQI guidance to a fictional age group and activity duration/intensity.

  5. 5
    6 min

    Distinguish outdoor reports from indoor conditions

    Compare supplied indoor alternatives without treating outdoor AQI or location alone as certification.

  6. 6
    8 min

    Revise an activity decision when the report changes

    Update a fictional activity decision from changed matching report metadata and guidance.

Use the tools

Tools to help you practice.

See all tools
ZIP · practice files

Use Air Quality Information for Daily Choices practice files

Supplied practice cases, a blank working record, complete lesson instructions, and annotated worked examples.

Text worksheet

Your course project worksheet

A downloadable text worksheet with each lesson’s working output, space for your answers, and the shared final-project checklist. Save your own copy.

Source transparency

Sources and further study.

Explore the references behind the lessons and take your learning further. Source notes explain access and reuse.

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.

EPA: indoor sources and conditions
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.

Ready when you are

Start with the first useful move.

You’ll always know what to do, what to make, and where to go next.

Start lesson one