Worst air pollution Galveston, today and tomorrow
Today (16 July): Air quality in Galveston is fair. PM2.5 and O3 are fair; AQI and PM10 are medium; NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 1:00 PM (PM10: 43.0/100).
Tomorrow (17 July 2026): Air quality in Galveston is fair. All pollutants stay as today. Pollution peaks around 7:00 PM (PM10: 40.7/100). Airmine updates local air quality forecasts four times daily.
For long term forecasts and maps, see the Airmine app
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
Use our Strava plugin to check your own exposure.
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 - 16 July | Pollution peaks at 13:00
AQI:
Medium
43.0/100
PM2.5 (fine particles):
Fair
36.5/100
PM10 (coarse particles):
Medium
43.0/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Fair
31.1/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
1.2/100
PM1 (ultrafine particles):
Good
4.8/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 19:00
AQI:
Medium
40.7/100
PM2.5 (fine particles):
Fair
37.1/100
PM10 (coarse particles):
Medium
40.7/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Fair
27.1/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
1.3/100
PM1 (ultrafine particles):
Good
5.4/100
Pollen forecast in Galveston
View pollen forecastFrequently Asked Questions
Is air quality bad in Galveston right now?
On 16 July 2026, overall air quality in Galveston is fair. PM2.5 is the main pollutant at 36.5/100. Pollution peaks around 1:00 PM (PM10: 43.0/100).
Will air quality be worse tomorrow in Galveston?
On 17 July 2026, air quality conditions in Galveston will be similar to today, with PM2.5 forecast at fair at 37.1/100. Pollution peaks around 7:00 PM (PM10: 40.7/100).
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.
Want to see air quality forecasts for other cities in United States?
Check air quality in other popular cities:
Data provided by Airmine — Last update: 16 July 2026 at 10:33 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.
For long term forecasts and maps, see the Airmine app