What's The Air Forecast?

Activity 7 (Explore): Air Pollution Trends and

the Clean Air Act

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Activity Summary

In this activity, students use graphs based on EPA data to analyze national and regional trends in the 6 Criteria Pollutants defined by the Clean Air Act. In the second half of the activity, students learn more about the Clean Air Act and how humans can have a positive impact on the environment.

Activity Objectives & Materials

Approximate Time: 2 class periods (approx. 90-120 minutes)


  • Students will interpret graphs to determine how air quality in the US has changed over time

  • Students will use the Clean Air Act to discuss whether humans have a positive or negative impact on the planet



  • Computer & projector

  • Speakers (for video)

  • Pollutant trends graphs


  • Air Pollution Summary Sheet

  • How Much Pollution is Too Much? (optional)

Standards Connection




1. Frame the Activity


How Much Pollution is Too Much? (optional Literacy & Math extension)

2. Air Pollution Over Time


3. Summarizing Patterns In Air Pollution Trends

4. The Clean Air Act

5. Do Humans Have A Positive or Negative Impact?

6. Return to the Investigation Tracker

7. Formative Assessment


For more information about On the Air 2020, contact:

Rebecca Davis, Education Manager


For more information about Clean Air Partners, check out our website at:  www.cleanairpartners.net

© 2020 by Clean Air Partners.