Today | Weather | Wednesday, November 4, 2026

Weather in Galveston, Texas

08:52 PM
Now
Night
70° F
Feels Like 68°
Precipitation 0 %
Wind 4 mph
Humidity 66 %
Today
Sunny Weather
Day 75°
Night 66°
Precipitation 3 %
Wind 11 mph
UV Index (0 - 11+) 4

Galveston Weather Forecast Updated

Air Quality in Galveston

NOW
64 AQI
Moderate air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 9.77 µg/m³
PM10 11.07 µg/m³
O3 0.059 ppm
NO2 0.5 ppb
SO2 0.8 ppb
CO 0.16 ppm
NH3 0.01 µg/m³
NO 0 µg/m³
PM2.5 – 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)
PM2.5 – 9.77 µg/m³
PM10 – 11.07 µg/m³
O3 – 115.03 µg/m³
NO2 – 0.97 µg/m³
SO2 – 2.19 µg/m³
CO – 178.94 µg/m³
NH3 – 0.01 µg/m³
NO – 0 µg/m³