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Welcome to the
Air Quality Division

DEQ Building Maintainence

Due to maintenance at our agency's physical address, the DEQ Web site may be offline after 5 p.m. Friday, May 20 into Saturday, May 21. We apologize for any inconvenience this may cause.

new RICE engine guidance

EPA has issued guidance on how they intend to implement engine regulations following the U.S. Court of Appeals vacatur of Delaware vs. EPA.

Review Guidance Memorandum
Changing air quality flag to yellow

Kanan Patel and his mom change the air quality flag from green for good to yellow for moderate at the Village Green Bench at the Myriad Children's Garden.

See more about the Village Green Bench
New General Permit for Air Curtain Incinerators

A new general permit has been posted for Air Curtain Incinerators, along with a corresponding application form (#100-365). The general permit streamlines permitting for this type of incinerator, which may be particularly useful to municipalities through the winter storm season.

Go to the General Permits page
Hearing Request and call for comments on PM25 I-SIP

We are taking requests for hearing until 10 a.m. Monday, June 6, 2016 and comments until 11 a.m. Wednesday, June 8, 2016 on our "infrastructure" review for implementing the 2012 changes to the Primary PM2.5 National Ambient Air Quality Standards.

documents are posted on our I-SIP page

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: May 4, 2016


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