Worst air pollution Port Aransas, today and tomorrow
Today (16 July): Air quality in Port Aransas is fair. O3 is fair; AQI, PM2.5, and PM10 are medium; NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 6:00 AM (PM10: 55.2/100).
Tomorrow (17 July 2026): Air quality in Port Aransas is fair. PM2.5 increases to fair; all other pollutants stay as today. Pollution peaks around 12:00 AM (PM10: 43.9/100). 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 - 16 July | Pollution peaks at 06:00
AQI:
Medium
55.2/100
PM2.5 (fine particles):
Medium
41.2/100
PM10 (coarse particles):
Medium
55.2/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Fair
31.5/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
0.9/100
PM1 (ultrafine particles):
Good
5.3/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 00:00
AQI:
Medium
43.9/100
PM2.5 (fine particles):
Fair
35.4/100
PM10 (coarse particles):
Medium
43.9/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Fair
26.7/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
0.9/100
PM1 (ultrafine particles):
Good
5.0/100
Pollen forecast in Port Aransas
View pollen forecastFrequently Asked Questions
Is air quality bad in Port Aransas right now?
On 16 July 2026, overall air quality in Port Aransas is fair. O3 is the main pollutant at 31.5/100. Pollution peaks around 6:00 AM (PM10: 55.2/100).
Will air quality be worse tomorrow in Port Aransas?
On 17 July 2026, air quality conditions in Port Aransas will be similar to today, with PM2.5 forecast at fair at 35.4/100. Pollution peaks around 12:00 AM (PM10: 43.9/100).
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.
Want to see air quality forecasts for other cities in United States?
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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