Worst air pollution Baytown, today and tomorrow
Today (16 July): Air quality in Baytown is fair. AQI, PM2.5, PM10, and O3 are fair; NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 11:00 AM (O3: 30.8/100).
Tomorrow (17 July 2026): Air quality in Baytown is fair. PM2.5 decreases to good; PM10 decreases to good; all other pollutants stay as today. Pollution peaks around 11:00 AM (O3: 26.8/100). 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
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Baytown's air quality faces significant industrial challenges as part of the Houston Ship Channel petrochemical corridor, with the ExxonMobil Baytown refinery and chemical complex — one of the US's largest — generating elevated SO₂, benzene, and industrial PM2.5 alongside vehicle traffic on I-10. Gulf of Mexico breezes provide periodic ventilation, but the refinery's scale makes Baytown one of Texas' most distinctively industrial-defined urban environments.
Today - 16 July | Pollution peaks at 11:00
AQI:
Fair
30.8/100
PM2.5 (fine particles):
Fair
21.7/100
PM10 (coarse particles):
Fair
29.2/100
NO2 (nitrogen dioxide):
Good
0.0/100
O3 (ozone):
Fair
30.8/100
SO2 (sulfur dioxide):
Good
0.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.0/100
PM1 (ultrafine particles):
Good
3.5/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 11:00
AQI:
Fair
26.8/100
PM2.5 (fine particles):
Good
19.4/100
PM10 (coarse particles):
Good
18.9/100
NO2 (nitrogen dioxide):
Good
0.0/100
O3 (ozone):
Fair
26.8/100
SO2 (sulfur dioxide):
Good
0.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.9/100
PM1 (ultrafine particles):
Good
3.3/100
Pollen forecast in Baytown
View pollen forecastFrequently Asked Questions
Is air quality bad in Baytown right now?
On 16 July 2026, overall air quality in Baytown is fair. AQI is the main air quality indicator at 30.8/100. Pollution peaks around 11:00 AM (O3: 30.8/100).
Will air quality be worse tomorrow in Baytown?
On 17 July 2026, air quality conditions in Baytown will be similar to today, with AQI forecast at fair at 26.8/100. Pollution peaks around 11:00 AM (O3: 26.8/100).
When is air pollution at its worst in Baytown?
Baytown follows a fairly predictable seasonal air quality pattern. In short, spring and autumn generally bring more moderate, cleaner conditions between the extremes of summer and winter cedar season, whereas intense summer heat drives persistent ozone problems, particularly in and around the largest metro areas. Gulf Coast humidity and inland heat can each add their own seasonal pollution patterns.
Are air quality levels in Baytown 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.
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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