which Air Quality Index Range would this fall into for ozone?

MATH

1

Part VII: Using Air Quality Data to Determine Ranges for Various Molecules

Air Quality Index Range Ozone (ppm) Carbon Monoxide (ppm) Sulfur Dioxide (ppm) Nitrogen Dioxide (ppm)
Good 0-0.054 0 – 4.4 0 – 0.035 0 – 0.053
Moderate 0.055 – 0.070 4.5 – 9.4 0.036 – 0.075 0.054 – 0.1
Unhealthy for Sensitive Groups 0.071 – 0.085 9.5 – 12.4 0.076 – 0.185 0.101 – 0.36
Unhealthy 0.086 – 0.105 12.5 – 15.4 0.186 – 0.304 0.361 – 0.64
Very Unhealthy 0.106 – 0.200 15.5 – 30.4 0.305 – 0.604 (approx.) 0.65 – 1.24
Hazardous > 0.200 > 30.5 0.605 – 1.004 1.25 – 2.04

Chart adapted for ease of use from:Texas.gov

Using the chart above, answer the following questions: (Values given via Texas.gov)

Please pay attention to the units and you can assume the mass of the sample remains the same.

1. In July 2017, the Ozone level was measured at 27 ppb, which Air Quality Index Range would this fall into for ozone? (Show all work for full credit)

2. In July 2017, the carbon monoxide level was measured at 0.1 ppm, which Air Quality Index Range would this fall into for carbon monoxide? (Show all work for full credit)

3. In July 2017, the sulfur dioxide level was measured at 0.8 ppb, which Air Quality Index Range would this fall into for sulfur dioxide? (Show all work for full credit)

4. In July 2017, the nitrogen dioxide level was measured at 12.8 ppb, which Air Quality Index Range would this fall into for nitrogen dioxide? (Show all work for full credit)

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