Reading Metrics
Grade Level
Lower Grades (LG K-3)
Book Level
2.6
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
409
Points per Word
0.001222
Page Count
24
Points per Page
0.020833
Description
Simple text and illustrations look at the clean air needed for oxygen and what affects the air's quality, from pollution caused by vehicles and factories to natural disasters like volcanic eruptions.