Local Data Search
A total of 24 results found. Show Results on Map.
| Rank | Air Quality Index ▼ | County / Population |
| 1. | 51.5 | Harford, MD / 248,029 |
| 2. | 51.1 | Kent, MD / 20,016 |
| 3. | 50.7 | Anne Arundel, MD / 550,269 |
| 4. | 49.5 | Queen Annes, MD / 48,439 |
| 5. | 49.5 | Calvert, MD / 89,793 |
| 6. | 48.9 | Baltimore City, MD / 622,271 |
| 7. | 48.8 | Talbot, MD / 37,894 |
| 8. | 48.7 | Allegany, MD / 73,976 |
| 8. | 48.7 | Baltimore, MD / 817,720 |
| 10. | 48.5 | Howard, MD / 299,269 |
| 11. | 48.1 | Garrett, MD / 29,945 |
| 12. | 47.7 | Frederick, MD / 239,253 |
| 13. | 47.6 | Prince Georges, MD / 884,764 |
| 14. | 47.5 | Carroll, MD / 167,399 |
| 15. | 47.5 | Wicomico, MD / 100,376 |
| 15. | 47.5 | Worcester, MD / 51,558 |
| 17. | 47.4 | Charles, MD / 150,960 |
| 18. | 47.1 | Somerset, MD / 26,197 |
| 18. | 47.1 | Dorchester, MD / 32,614 |
| 20. | 47.0 | Caroline, MD / 32,759 |
| 21. | 46.8 | Cecil, MD / 101,803 |
| 22. | 46.7 | Saint Marys, MD / 108,472 |
| 23. | 46.3 | Washington, MD / 148,913 |
| 24. | 45.4 | Montgomery, MD / 1,005,087 |
Please note that we only rank locations with 'Air Quality Index' data. The rank above might not be a complete list. Locations without 'Air Quality Index' data are not listed.