# Air Plan Approval; New York; Interstate Transport Requirements for the 2010 SO2 NAAQS

**Action Urgency Score:** 30/100

| Field | Value |
|---|---|
| Agency | Environmental Protection Agency |
| Type | Final rule |
| Action | Final rule. |
| Published | 2026-09-09 |
| Effective | 2026-10-09 |
| Significant | No |
| CFR parts | 40 CFR 52 |
| Summary | The Environmental Protection Agency (EPA or the Agency) is approving a State Implementation Plan (SIP) submitted by the State of New York for purpose of demonstrating that the State satisfies the interstate transport requirements, also known as the "good neighbor" provision of the Clean Air Act (CAA), for the 2010 1-hour sulfur dioxide (SO<INF>2</INF>) primary National Ambient Air Quality Standard (NAAQS). Under the good neighbor provision, each State's implementation plan must contain adequate provisions prohibiting the interstate transport of air pollution in amounts that will either contrib |
| Document number | 2026-18324 |

## Why this score
- Final rule.

Source: Federal Register API (Office of the Federal Register) (https://www.federalregister.gov/documents/2026/09/09/2026-18324/air-plan-approval-new-york-interstate-transport-requirements-for-the-2010-so2-naaqs). Last refreshed: 2026-11-04T21:40:49.974Z.
Data from the Federal Register API; the published Federal Register document is authoritative. Informational only, not legal advice.