Hourly Air Quality Forecast - AQI (US EPA)
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
1.35 µg/m³
- PM10:
3.56 µg/m³
- O3:
0.036 ppm
- NO2:
0 ppb
- SO2:
0 ppb
- CO:
0.10 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
1.46 µg/m³
- PM10:
3.93 µg/m³
- O3:
0.036 ppm
- NO2:
0 ppb
- SO2:
0 ppb
- CO:
0.10 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
1.61 µg/m³
- PM10:
4.43 µg/m³
- O3:
0.036 ppm
- NO2:
0 ppb
- SO2:
0.1 ppb
- CO:
0.10 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
1.71 µg/m³
- PM10:
4.78 µg/m³
- O3:
0.036 ppm
- NO2:
0.1 ppb
- SO2:
0.1 ppb
- CO:
0.10 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
1.75 µg/m³
- PM10:
4.91 µg/m³
- O3:
0.037 ppm
- NO2:
0.1 ppb
- SO2:
0.1 ppb
- CO:
0.10 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
1.75 µg/m³
- PM10:
4.88 µg/m³
- O3:
0.038 ppm
- NO2:
0.1 ppb
- SO2:
0.1 ppb
- CO:
0.10 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
1.72 µg/m³
- PM10:
4.79 µg/m³
- O3:
0.038 ppm
- NO2:
0.1 ppb
- SO2:
0.1 ppb
- CO:
0.10 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
1.67 µg/m³
- PM10:
4.63 µg/m³
- O3:
0.039 ppm
- NO2:
0.1 ppb
- SO2:
0.1 ppb
- CO:
0.10 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Weather Alerts and Warnings for Galveston
Air Quality Alert
Air Quality Alert issued September 21 at 2:57PM CDT by NWS Houston/Galveston TX
Sep 21, 2:57 PM
→ Sep 22, 7:00 PM
AQAHGX
The Texas Commission on Environmental Quality (TCEQ) has issued an
Ozone Action Day for the Houston, Galveston, and Brazoria area for
Tuesday, September 22, 2026.
Atmospheric conditions are expected to be favorable for producing
high levels of ozone pollution in the Houston, Galveston, and
surrounding areas on Tuesday. You can help prevent ozone pollution by
sharing a ride, walking, riding a bicycle, taking your lunch to work,
avoiding drive through lanes, conserving energy and keeping your vehicle
properly tuned.
For more information on ozone:
Ozone: The Facts www.tceq.texas.gov/airquality/monops/ozonefacts.html
EPA AirNow: www.airnow.gov/?city=Houston&state=TX&country=USA
Take Care of Texas:
www.takecareoftexas.org/conservation-tips/keep-our-air-clean
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