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
Timeline
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- Effective: 2026-06-15
- 2026-06-15 - New monitoring requirements become effective
No New Jersey official has a verified action on this policy yet.
Related policies
- Federal RegisterJul 23, 2026EPA Approval of Pennsylvania's Plan to Keep Air Quality Standards Met in the Harrisburg-York Region
The EPA is proposing to approve Pennsylvania's plan to maintain clean air standards for fine particle pollution (PM2.5) in the Harrisburg-York area for the next 10 years. The plan includes an inventory of pollution sources, a demonstration that the area will stay in compliance, backup strategies if pollution rises, and limits on vehicle emissions. This approval would confirm that the region can keep meeting federal air quality rules.
- Federal RegisterJul 23, 2026EPA Approves New Jersey's Plan to Reduce Ozone Pollution
The EPA is approving New Jersey's plan to use proven pollution-control technology on major industrial sources to meet federal air quality standards for ozone (smog). This approval means New Jersey can move forward with reducing harmful ozone pollution that affects breathing and public health. The plan applies to New Jersey's role in a multi-state region working to improve air quality.
- Federal RegisterJul 23, 2026EPA Approves Missouri's Updated Air Pollution Rules for Oil Storage and Gas Stations in St. Louis
The EPA has approved Missouri's updated plan to control pollution from oil storage tanks and gas stations in the St. Louis area. The update makes the rules clearer, simpler, and more consistent with rules already in place in Kansas City. This approval helps reduce air pollution from petroleum operations.
- Federal RegisterJul 16, 2026EPA Approves Pennsylvania's Plan to Reduce Air Pollution from Volatile Organic Compounds
The EPA has approved Pennsylvania's updated air quality plan that requires industrial facilities to use the best available pollution-control technology to reduce volatile organic compounds (VOCs), which contribute to smog and ozone pollution. This approval stops financial penalties that Pennsylvania faced for not meeting federal clean-air standards. The rule takes effect immediately and addresses both the 2008 and 2015 federal ozone pollution limits.