Today | Weather | Tuesday, October 14, 2025

Active Weather Warnings

Air Quality Alert

Weather in League City, Texas

08:43 PM

Now

75° F

Feels Like 75°

Precipitation 0 %

Wind 6 mph

Humidity 65 %

Today

Day 88°

Night 68°

Precipitation 2 %

Wind 6 mph

League City Weather Forecast Updated

41 minutes ago

Last updated on October 14, 2025 8:02 PM

Air Quality in League City

NOW

90 AQI

Moderate air quality Dominant pollutant: O₃

Pollutant Concentrations:

PM_2.5 13.74 µg/m³

PM₁₀ 15.7 µg/m³

O₃ 0.067 ppm

NO₂ 0.5 ppb

SO₂ 0.7 ppb

CO 0.12 ppm

NH₃ 0.38 µg/m³

NO 0 µg/m³

PM_2.5 – Fine particles <2.5μm

PM₁₀ – Inhalable particles <10μm

O₃ – Ozone

NO₂ – Nitrogen dioxide

SO₂ – Sulfur dioxide

CO – Carbon monoxide

NH₃ – Ammonia

NO – Nitric oxide

Health Recommendations:

Air quality is acceptable; however, for some pollutants, there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.

Show raw pollutant concentrations (µg/m³)

PM_2.5 – 13.74 µg/m³

PM₁₀ – 15.7 µg/m³

O₃ – 131.09 µg/m³

NO₂ – 0.96 µg/m³

SO₂ – 1.78 µg/m³

CO – 131.76 µg/m³

NH₃ – 0.38 µg/m³

NO – 0 µg/m³

View Hourly Air Quality Forecast

Weather Alerts and Warnings for League City

Air Quality Alert

Air Quality Alert issued October 14 at 3:18PM CDT by NWS Houston/Galveston TX

Oct 14, 3:18 PM → Oct 15, 7:30 PM

AQAHGX

The Texas Commission on Environmental Quality (TCEQ) has issued an
Ozone Action Day for the Houston, Galveston, and Brazoria area for
Wednesday, October 15, 2025.

Atmospheric conditions are expected to be favorable for producing
high levels of ozone pollution in the Houston, Galveston, and
surrounding areas on Wednesday. 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

Updated: Oct 14, 8:02 PM Source: NWS Alert