Five of the 10 worst polluted school counties have non-white populations of over 20%

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10

<19

>80

% non-white population

1. Allegheny County, Pittsburgh

2. Ada County, Idaho

3. Camden County, New Jersey

4. Canyon County, Idaho

5. Philadelphia County, Philadelphia

6. Twin Falls County, Idaho

7. Bonneville County, Idaho

8. Hamilton County, Ohio

9. Cook County, Illinois

10. Multonah County, Oregon

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10

<19

>80

% non-white population

1. Allegheny County,

Pittsburgh

2. Ada County, Idaho

3. Camden County,

New Jersey

4. Canyon County, Idaho

5. Philadelphia County,

Philadelphia

6. Twin Falls County, Idaho

7. Bonneville County, Idaho

8. Hamilton County, Ohio

9. Cook County, Illinois

10. Multonah County,

Oregon