MD / county disease rankings
Counties with the highest air toxics cancer risk in Maryland
Among 24 Maryland counties with published values, the counties with the highest air toxics cancer risk are Howard County, MD (40, 1.33 times the U.S. county median of 30), Montgomery County, MD (40, 1.33 times the U.S. county median of 30) and Prince George's County, MD (40, 1.33 times the U.S. county median of 30). Values are in a million (EPA AirToxScreen).
Source: EPA AirToxScreen. These are county-level figures, compared with the U.S. county median. A high rate does not prove an environmental cause: age, smoking, income, access to care, screening and chance all move county rates, and small counties swing widely.
All Maryland counties, highest first
Air toxics cancer risk, in a million (EPA AirToxScreen).
| Rank | County | State | Value | U.S. county median | Times reference |
|---|---|---|---|---|---|
| 1 | Howard County | MD | 40 | 30 | 1.33x |
| 2 | Montgomery County | MD | 40 | 30 | 1.33x |
| 3 | Prince George's County | MD | 40 | 30 | 1.33x |
| 4 | Anne Arundel County | MD | 30 | 30 | 1x |
| 5 | Baltimore city | MD | 30 | 30 | 1x |
| 6 | Baltimore County | MD | 30 | 30 | 1x |
| 7 | Calvert County | MD | 30 | 30 | 1x |
| 8 | Caroline County | MD | 30 | 30 | 1x |
| 9 | Carroll County | MD | 30 | 30 | 1x |
| 10 | Cecil County | MD | 30 | 30 | 1x |
| 11 | Charles County | MD | 30 | 30 | 1x |
| 12 | Dorchester County | MD | 30 | 30 | 1x |
| 13 | Frederick County | MD | 30 | 30 | 1x |
| 14 | Harford County | MD | 30 | 30 | 1x |
| 15 | Kent County | MD | 30 | 30 | 1x |
| 16 | Queen Anne's County | MD | 30 | 30 | 1x |
| 17 | St. Mary's County | MD | 30 | 30 | 1x |
| 18 | Talbot County | MD | 30 | 30 | 1x |
| 19 | Washington County | MD | 30 | 30 | 1x |
| 20 | Wicomico County | MD | 30 | 30 | 1x |
| 21 | Allegany County | MD | 20 | 30 | 0.67x |
| 22 | Garrett County | MD | 20 | 30 | 0.67x |
| 23 | Somerset County | MD | 20 | 30 | 0.67x |
| 24 | Worcester County | MD | 20 | 30 | 0.67x |