Humidity: 63%
Wind: 6 mph
UV Index: 0
Humidity: 68%
Wind: 6 mph
UV Index: 0
Humidity: 70%
Wind: 6 mph
UV Index: 0
Hourly Air Quality Forecast - AQI (US EPA)
Good air quality
Dominant pollutant: o3
Details
Pollutant Concentrations:
- PM2.5:
9.23
µg/m³
- PM10:
19.32
µg/m³
- O₃:
29.78
ppb
- NO₂:
8.90
ppb
- SO₂:
0.57
ppb
- CO:
142.74
ppb
Health Recommendations:
With this level of air quality, you have no limitations. Enjoy the outdoors
Good air quality
Dominant pollutant: pm25
Details
Pollutant Concentrations:
- PM2.5:
9.04
µg/m³
- PM10:
18.05
µg/m³
- O₃:
27.84
ppb
- NO₂:
10.65
ppb
- SO₂:
0.67
ppb
- CO:
159.61
ppb
Health Recommendations:
With this level of air quality, you have no limitations. Enjoy the outdoors
Good air quality
Dominant pollutant: pm25
Details
Pollutant Concentrations:
- PM2.5:
9.00
µg/m³
- PM10:
15.82
µg/m³
- O₃:
28.35
ppb
- NO₂:
11.37
ppb
- SO₂:
0.75
ppb
- CO:
176.89
ppb
Health Recommendations:
With this level of air quality, you have no limitations. Enjoy the outdoors
Weather Alerts and Warnings for Pasadena
Air Quality Alert
Air Quality Alert issued September 25 at 3:06PM CDT by NWS Houston/Galveston TX
Sep 25, 3:06 PM
→ Sep 26, 7:15 PM
AQAHGX
The Texas Commission on Environmental Quality (TCEQ) has issued an
Ozone Action Day for the Houston, Galveston, and Brazoria area for
Friday, September 26, 2025.
Atmospheric conditions are expected to be favorable for producing
high levels of ozone pollution in the Houston, Galveston, and
surrounding areas on Friday. 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