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

2014 had the fewest bad ozone days in decades. We're working to make that number zero.


Our educational program reached thousands of elementary and middle school students last year. Has your child seen Ozone Theater?

works of art

Submissions for the Earth Day Art Contest this year. Winning art on tour now!


Pounds of toxic chemicals spewed into the air by the Shell Deer Park refinery in one hour this August.

Latest News

New Ozone Standard will bring Public Health Benefits to Houston

HOUSTON, TX – Today the United States Environmental Protection Agency lowered the federal standard for ozone air pollution. The new standard of 70 parts per billion (ppb) will provide additional public health benefits in Houston and across the nation. Ozone is a pervasive air pollutant in Houston. Ozone pollution can cause everything from itchy eyes

New EPA Rule will bring Cleaner Air to Communities near Refineries

The EPA takes an important step toward protecting communities from harmful air pollution from refineries.

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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.