Worst air pollution Port Aransas, today and tomorrow
Today (9 August): Air quality in Port Aransas 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 AM (PM10: 46.2/100).
Tomorrow (10 August 2026): Air quality in Port Aransas is fair. All pollutants stay as today. Pollution peaks around 6:00 PM (PM10: 48.0/100). 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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In Port Aransas, Gulf sea breeze is the main influence on air quality, and steady Gulf wind keeps air quality consistently good. These factors combine to give Port Aransas a fairly typical seasonal air quality pattern for this part of the country. As with most US destinations, conditions here are best understood by season rather than by a single yearly average.
Today - 9 August | Pollution peaks at 01:00
AQI:
Medium
46.2/100
PM2.5 (fine particles):
Fair
34.7/100
PM10 (coarse particles):
Medium
46.2/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Fair
26.4/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
0.9/100
PM1 (ultrafine particles):
Good
4.8/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 18:00
AQI:
Medium
48.0/100
PM2.5 (fine particles):
Fair
39.6/100
PM10 (coarse particles):
Medium
48.0/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Fair
31.3/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
0.8/100
PM1 (ultrafine particles):
Good
5.8/100
Pollen forecast in Port Aransas
View pollen forecastFrequently Asked Questions
Is air quality bad in Port Aransas right now?
On 9 August 2026, overall air quality in Port Aransas is fair. PM2.5 is the main pollutant at 34.7/100. Pollution peaks around 1:00 AM (PM10: 46.2/100).
Will air quality be worse tomorrow in Port Aransas?
On 10 August 2026, air quality conditions in Port Aransas will be similar to today, with PM2.5 forecast at fair at 39.6/100. Pollution peaks around 6:00 PM (PM10: 48.0/100).
When is air pollution at its worst in Port Aransas?
Like most US cities, Port Aransas sees air quality shift from season to season — between summer heat and winter cedar season, spring and fall offer the most moderate conditions, 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 Port Aransas 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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