World Report: April 18, 2008 Vol. #13 Iss. #24
- This Issue:
- Table of Contents
- Cover Story
- Cover Story - Spanish Version
- Mini-Lesson
- Comprehension Quiz
- Teacher's Guide and Worksheets
Cities with Dirtiest Air and Cities with Cleanest Air
Pollution from traffic is one of the biggest causes of unhealthy air. Industrial pollution from factories and power plants is another.
Here are the U.S. cities with the dirtiest air and those with the cleanest air.
Cities with Dirtiest Air1. Los Angeles, CA
2. Pittsburgh, PA
3. Bakersfield, CA
4. Birmingham, AL
5. Detroit, MI
Cities with Cleanest Air
1. Cheyenne, WY
2. Santa Fe, NM
3. Honolulu, HI
4. Great Falls, MT
5. Farmington, NM
SOURCE: AMERICAN LUNG ASSOCIATION, STATE OF THE AIR REPORT, 2007
