Public Resources

File a Pollution Complaint

City of Houston

Report an air quality complaint with the City of Houston Health Department.


Harris County

Report an air quality complaint with the Harris County Pollution Services Department.



Submit an air quality complaint to the Texas Commission on Environmental Quality (TCEQ).

We recommend always submitting a complaint to TCEQ in addition to contacting your city or county officials.



Report air quality violations to the US Environmental Protection Agency (EPA).


We encourage you to also bring your concern to the attention of your elected officials. Not sure who represents you? Click here.

Stay in the know on air quality violations

Receive email alerts from Neighborhood Witness about air quality violations in your area and take immediate action by sending a complaint to the TCEQ.


Research and Reports

We conduct equity-based research to help illuminate patterns and the root causes of health inequities in our communities. Find out more by reading our research and reports.

Read Reports

Data Resources

Whether you are an academic or an advocate, we have listed some great publicly available tools, databases, interactive maps, and other resources that can help inform your air pollution research or community advocacy. 

View Data Resources

Air Monitoring

Are you concerned about the air quality in your area or want to know when you should take precautions due to unhealthy air? Use these tools to check the latest air quality information and to sign up for air pollution alerts.

Visit the US Environmental Protection Agency’s real-time air quality map at AirNow to check your local air quality.


TCEQ GeoTAM Map Viewer

Visit Texas Commission on Environmental Quality (TCEQ)’s GeoTAM map viewer for detailed hourly information about air pollution, weather and other parameters measured at public monitoring sites.


Purple Air

Check the PurpleAir Map to see where our Purple Air Particulate Matter (PM) monitors are located and track the real-time data.


Sign Up for TCEQ’s Air Pollution Alerts

The TCEQ issues alerts when high ozone is predicted for your area. These alerts can help you determine whether or not it’s safe to spend extended amounts of time outside for daily activities.

Join Our Community Air Monitoring Network

Learn about our community air monitoring network HERE.

Want to host an air monitor or have questions? We are working in many communities, including Pasadena, Galena Park, Kashmere Gardens, Near Northside, and Gulfton. Please contact Juan Flores at [email protected] | 713.553.6351