Worst air pollution Galveston, today and tomorrow
Today (9 August): Air quality in Galveston is fair. AQI, PM2.5, PM10, and O3 are fair; NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 12:00 AM (PM10: 38.6/100).
Tomorrow (10 August 2026): Air quality in Galveston is fair. All pollutants stay as today. Pollution peaks around 6:00 AM (O3: 28.6/100). Airmine updates local air quality forecasts four times daily.
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Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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Galveston's air quality benefits from its direct Gulf of Mexico barrier island position, with powerful Gulf breezes providing some of Texas' most consistent maritime ventilation along the exposed Galveston Island shoreline. The primary local concerns are petrochemical and refinery emissions from the Texas City and La Marque industrial corridor on the mainland to the north, and vehicle traffic on I-45 approaching the island, while the open Gulf exposure and consistent sea breezes effectively dilute all but the most severe industrial emission events.
Today - 9 August | Pollution peaks at 00:00
AQI:
Fair
38.6/100
PM2.5 (fine particles):
Fair
31.0/100
PM10 (coarse particles):
Fair
38.6/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Fair
24.8/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
1.1/100
PM1 (ultrafine particles):
Good
4.6/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 06:00
AQI:
Fair
28.6/100
PM2.5 (fine particles):
Fair
20.9/100
PM10 (coarse particles):
Fair
25.8/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Fair
28.6/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
1.3/100
PM1 (ultrafine particles):
Good
4.0/100
Pollen forecast in Galveston
View pollen forecastAir quality forecasts for neighbourhoods and landmarks in Galveston
Frequently Asked Questions
Is air quality bad in Galveston right now?
On 9 August 2026, overall air quality in Galveston is fair. AQI is the main air quality indicator at 38.6/100. Pollution peaks around 12:00 AM (PM10: 38.6/100).
Will air quality be worse tomorrow in Galveston?
On 10 August 2026, air quality conditions in Galveston will be similar to today, with AQI forecast at fair at 28.6/100. Pollution peaks around 6:00 AM (O3: 28.6/100).
When is air pollution at its worst in Galveston?
Air quality across Galveston rises and falls with the seasons. In short, the mildest, cleanest stretch typically falls in spring or autumn, whereas extended summer heat waves bring the year's worst ozone readings in the state's biggest metro areas. Dust from West Texas can occasionally drift across the state and add to particulate levels.
Are air quality levels in Galveston based on measurements or forecasts?
It is forecasts derived by downscaling forecasts provided by EU’s Copernicus Atmosphere Monitoring Service (CAMS) by taking into account local conditions such as traffic patterns. CAMS bases its forecast on satellite measurements of particles and chemical compounds in the atmosphere. Airmine’s services were developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team.
Why doesn’t the forecast always reflect wildfire impacts?
Airmine’s forecast uses CAMS (Copernicus Atmosphere Monitoring Service) as its background atmospheric model. While CAMS includes wildfire emissions, these are derived from satellite observations and are not available in real time. During rapidly evolving wildfire events, there may therefore be a delay before increased emissions are incorporated into the model. As a result, the forecast may temporarily underestimate PM₂.₅ and other pollutants associated with wildfire smoke.
During rapidly evolving wildfire events, CAMS may lag by approximately 1–2 days before increased wildfire emissions are fully represented, which can lead to temporary underestimation of PM₂.₅ concentrations in Airmine’s forecast.
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Data provided by Airmine — Last update: 9 August 2026 at 20:27 CEST (Data is updated four times daily.)
This forecast is produced independently using Airmine's own atmospheric data and models.
Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.
Disclaimer: Forecasts are provided for informational purposes only and should not be relied upon as medical advice. Actual pollen and air quality conditions may vary from the forecast. If you have allergies, asthma, or another medical condition, consult a healthcare professional. Please see our Terms of Service for important information about limitations of liability.
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