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Welcome to the
Air Quality Division

EPA proposes new standards for ozone

EPA proposes to strengthen the National Ambient Air Quality Standards for ground-level ozone based on scientific evidence of ozone's effects on human health and the environment. Comments will be accepted on the proposal for 90 days following publication in the Federal Register.

More about this regulatory action
EPA's new Clean Power Plan

On June 2, 2014, the Environmental Protection Agency proposed a new Clean Power Plan to cut carbon emissions from existing power plants. The comment period closed Monday, December 1. Comments submitted by the agency have been posted.

Review the latest on the Clean Power Plan
Updated Enforcement Policies

The division and EPA have updated guidance for both High Priority and Federally Reportable Violations. This includes significant changes to the AQD Penalty Guidance. The revised state and federal policies, as well as the new penalty guidance, are now on our Compliance and Enforcement page.

Review the revised policies
2014 A Very Good Year

The 2014 ozone season comes to an end with Oklahoma clearly in attainment of the National Ambient Air Quality Standard (NAAQS) for ozone.

More about the 2014 ozone season
Two boys in snowy window

Best wishes from the Air Quality Division for a Warm and Wonderful Holiday.

What is air quality?
The amount of pollution in the air from all sources - natural and human - defines the quality of the air we breathe.  Air pollution isn't limited to our cities; it can blow into any part of Oklahoma from neighboring states.

Why is it important?
Bad air quality can affect everybody's health.  It can have direct effects on the lungs, and it can worsen an existing condition, such as asthma.  Some people are more sensitive to air pollution than others.  These include young children who are growing rapidly and older adults who have reduced immune systems.
Poor public health also incurs economic costs for society, e.g., increased healthcare costs and loss of working days.  And a clean environment makes Oklahoma an attractive place to live, work and play: something we can all be proud of.

What does the Air Quality Division do?
Most importantly, we work to effectively protect the public health in Oklahoma.  We do this by:

More information about the Air Quality Division

To reach the main AQD programs use the links on the right or the pulldown menu at the top left on any AQD page.

Last Updated: December 3, 2014


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