Norwich School District
Grade 7 

 Core Activities
    Weathers Role
    Tracking Ozone
    Will There Be Ozone Tomorrow
    Diesel Exhaust
    Eco Badge
    People at Risk







Tracking Ozone

 -> Is it possible to track an Ozone Event?

In this activity, you will track (record and compare) the levels of ozone in Groton, CT for several days and make final decisions about the influence of weather on ground level ozone. You will need a computer with internet access and a copy of the Student Worksheet and graph paper.

Student Worksheet 
Ozone graph paper
Temperature (F) graph paper
Temperature (C) graph paper
Wind Speed (mph) graph paper
Wind Speed (kmh) graph paper


PART 1: Gather the Data
  1. Working as a group, collect the ozone data for Groton, CT for August 4 - 11, 2001. Note: Scroll down to the 8 Hour Average Peak Concentration image.
    August 4 August 5 August 6 August 7
    August 8 August 9 August 10 August 11

  2. Determine the AQI Color, Air Quality, and Maximum AQI Value for all seven days and enter the data into the table on the Student Worksheet (the first date has already been completed for you).
    • NOTE: To determine the AQI Average value, find the average between the two numbers of the AQI range.  For example, Green has a range of 0 Ð 50, with an average, of 25.
  3. In another browser window, or another computer, access the Weather Underground site, and collect the weather information for Groton, CT . For this lesson, gather the Maximum Temperature, the Wind Speed, and Events for each of the seven days. This information is found in the smaller table at the top of the web page

    Dates and Location: August 4 - 11, 2001 for Groton, CT

    Date AQI Color Air Quality Max. AQI Value AQI Ave. Value Max. Temp. Wind Speed Events
    August 4 Green Good 50 25 75 ¼F 4 mph Rain
    August 5              
    August ...              

  4. Make the following three bar graphs using the data in your table. Ask your teacher for assistance if you are unsure how to make the graphs.
    1. Ozone v. Time
    2. Temperature v. Time
    3. Wind Speed v. Time

PART 2: Analyze the Data

  • After you have completed the graphs, use the data in the table and the graphs to answer the questions on the Student Worksheet.


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