What’s the air like where you are right now? Here are several sources of real-time air quality data and forecasts.

Real-time Data

Ozone Map

For a real-time map of ozone levels throughout Houston, check out the Houston Clean Air Network, a collaboration between Air Alliance Houston, the University of Houston Honors College, and the American Lung Association.

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Houston Clean Air Network


The Texas Commission on Environmental Quality also has current monitoring data available online. From a map of Texas, you can drill down to the air monitors nearest to you.

Current Ozone Levels

Current PM2.5 Levels


You can get daily forecasts of air quality from the TCEQ or the EPA.

For a daily email of air quality forecasts, visit the TCEQ’s subscriber preferences page. Enter you email address and click “Go.” On the next screen, check the topic “Daily Air Quality Forecast” and click “Save.” You will receive your email forecast from Monday through Friday between 7:00 and 9:00 AM.