We Learn

We research Houston’s greatest air pollution challenges in collaboration with universities, regulators, and partner organizations to understand how to improve public health and quality of life.

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We Teach

Education is at the heart of Air Alliance Houston. We offer programs to give environmental organizations and green business a forum to share their work and knowledge with the public.

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We Equip

We offer tools, information, and resources to every Houstonian who wants to make our city healthier. Our ozone map gives real-time air quality so we can make good decisions for ourselves and our families.

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We Promote

We advocate for Houston’s fenceline communities, meet with legislators, partner with regulators, and organize meetings between industry and communities, and promote health and clean air related events.

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ozone days

2015 was a bad year for air quality. With ozone days increasing, our work is needed more than ever.


Our educational program reached thousands of elementary and middle school students during the 2015-16 school year. Has your child seen Ozone Theater?


Pounds of pollution released during "malfunction and maintenance" events in Texas in 2015.


Number of so-called "malfunction and maintenance" events occurring in 2015.

Latest News

Bi-weekly TCEQ Air Quality Permit Map

As an ongoing feature, Air Alliance Houston (AAH) will continue publishing local Air Quality permit notifications from TCEQ’s Public Notice database on a biweekly basis. AAH hopes this will lend a greater degree of transparency to the state air quality permitting process. The Texas Commision on Environmental Quality issues permits to facilities to ensure compliance with the

Biweekly Ozone Report

  Over the last two weeks, the Houston region experienced the highest ozone values of the year so far. Eleven consecutive days were declared “Ozone Action Days” by TCEQ – days in which residents are advised to limit their outdoor activity to reduce exposure to ozone, and citizens, businesses, and industry are asked to take steps to

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Upcoming Events

Do you know your current ozone level?

Get real-time information about the current level of ozone, a dangerous pollutant with serious health risks, in your area. Breathing ozone can trigger health problems, so use our ozone map to make good decisions about when to spend time outside.