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Border Air Quality Data - About States
The following U.S. states are included in reports of U.S.-Mexico border air quality data. The nation of Mexico is treated as a "state" in the reports.
| State Name | Postal Abbrev. | FIPS Code | EPA Region |
|---|---|---|---|
| Arizona | AZ | 04 | 9 |
| California | CA | 06 | 9 |
| New Mexico | NM | 35 | 6 |
| Texas | TX | 48 | 6 |
| Mexico | MX | 80 |