EPA approves Indiana's plan to track pollution from large factories
Official: Air Plan Approval; Indiana; Indiana NOX Emissions Monitoring
Reading: EPA approval of Indiana's revised SIP incorporates existing federal NOX monitoring alternatives without tightening or relaxing the underlying NOX SIP Call requirements.
The new monitoring requirements take effect on June 15, 2026.
In clear language
The EPA has approved Indiana's updated plan for monitoring nitrogen oxide (NOX) pollution from large factories and industrial facilities. This approval allows Indiana to use alternative methods to track and report emissions from these facilities to ensure they meet federal clean air standards. The new monitoring requirements take effect on June 15, 2026.
How does this affect you?
Pick the type of resident or organization you most identify with — we'll generate a plain-language breakdown of what changes for you and what you can do about it.
Who does this affect?
- Large industrial facilities and factories in Indiana that produce nitrogen oxide pollution
- Indiana Department of Environmental Management staff who oversee air quality
- Residents of Indiana who breathe the air and are affected by air quality
- Federal EPA officials responsible for enforcing the Clean Air Act
What can you do?
- Check your state's air quality reports at www.in.gov/idem to learn about pollution levels in your area
- Support local environmental organizations that advocate for clean air standards
- Report suspected industrial air pollution violations to Indiana IDEM at 1-888-233-4336
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- 2026-06-15 - New monitoring requirements become effective
No New Jersey official has a verified action on this policy yet.
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