Current Air-Related Regulatory Requirements
National Ambient Air Quality Standards
- One-Hour Ozone Ambient Air Quality Standard
- Eight-Hour Ozone Ambient Air Quality Standard
- PM2.5 Ambient Air Quality Standard
Clean Air Interstate Rule
Clean Air Mercury Rule
Clean Air Visibility Rule
Acid Rain Program
State Standards and Regulations
To learn the details about these regulations, visit
www.epa.gov/air/oaqps/
index.html.
Emissions Control
Southern Company has been investing resources into environmental protection since the 1970s. Every day, more than 200 people work to ensure our facilities operate in an environmentally sound manner.
Since the 1990s, we've spent nearly $3.8 billion on environmental controls. Southern Company is spending an additional $3.9 billion over the next three years to further lower emissions of sulfur dioxide (SO2), nitrogen oxides (NOx), and mercury.

Click to enlarge and view as PDF. (Online charts updated through 2006.)
