Office of Planning, Environment, & Realty (HEP)
Planning • Environment • Real Estate
| STATE | Nonattainment or Maintence Area | COUNTY | 2002.7.1 POP. | 1-Hr O3 Class | O3 WT | CO Class | CO WT | POPULATION FINAL WTED |
|---|---|---|---|---|---|---|---|---|
| MARYLAND | 4,874,249 | 6,931,580 | ||||||
| Baltimore | Anne Arundel | 503,388 | Sev | 1.3 | Mnt | 1.1 | 719,845 | |
| Baltimore Co | 770,298 | Sev | 1.3 | Mnt | 1.1 | 1,101,526 | ||
| Baltimore Cty | 638,614 | Sev | 1.3 | Mnt | 1.1 | 913,218 | ||
| Carroll | 159,025 | Sev | 1.3 | Mnt | 1.1 | 227,406 | ||
| Harford | 227,713 | Sev | 1.3 | Mnt | 1.1 | 325,630 | ||
| Howard | 260,117 | Sev | 1.3 | Mnt | 1.1 | 371,967 | ||
| Kent-Queen Anne's | Kent | 19,613 | Mar. | 1.0 | 19,613 | |||
| Queen Anne's | 42,835 | Mar. | 1.0 | 42,835 | ||||
| Philadelphia-Wilmington-Trenton, PA-NJ-DE-MD | Cecil | 90,335 | Sev | 1.3 | 117,436 | |||
| Washington,DC-MD-VA | Calvert | 80,906 | Sev | 1.3 | Mnt | 1.1 | 115,696 | |
| Charles | 129,040 | Sev | 1.3 | Mnt | 1.1 | 184,527 | ||
| Frederick | 209,125 | Sev | 1.3 | Mnt | 1.1 | 299,049 | ||
| Montgomery | 910,156 | Sev | 1.3 | Mnt | 1.1 | 1,301,523 | ||
| Prince George's | 833,084 | Sev | 1.3 | Mnt | 1.1 | 1,191,310 |
