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

Pruitt’s EPA rejects challenge to Baytown refinery operating permit

Scott Pruitt’s EPA has rejected a challenge to the state operating permit for one part of Exxon Mobil Corp.’s Baytown refinery and petrochemical complex near Houston, according to a response formally published in the Federal Register on March 23, according to E&E News. In 2016, the Environmental Integrity Project, along with Air Alliance Houston and

Pruitt’s EPA rolls back another key air pollution rule

EPA administrator Scott Pruitt has reversed yet another important clean air safeguard, according to a recent agency memo. The rule requires industry facilities to install updated equipment to control pollution with they experience a substantial increase in emissions. Now, thanks to Pruitt’s reversal, these facilities are able to bypass the rule via “netting,” which adds

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Upcoming Events

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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.