Worst air pollution Hermann Park - Houston, today and tomorrow
Today (18 July): Air quality in Hermann Park 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: 29.9/100).
Tomorrow (19 July 2026): Air quality in Hermann Park is fair. All pollutants stay as today. Pollution peaks around 12:00 PM (O3: 24.9/100). 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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Houston's Hermann Park air quality benefits from the Medical Center adjacent park's substantial greenery providing natural filtration, with consistent Gulf of Mexico southerly breezes providing warm-season ventilation. Vehicle traffic on Main Street and the surrounding Texas Medical Center operations contribute local sources, while the park's extensive woodland and the Mecom Fountain area provide moderate local buffering and Hermann Park generally maintains better conditions than the surrounding dense Medical Center campus throughout most of the year.
Today - 18 July | Pollution peaks at 11:00
AQI:
Fair
29.9/100
PM2.5 (fine particles):
Fair
23.7/100
PM10 (coarse particles):
Fair
23.7/100
NO2 (nitrogen dioxide):
Good
0.1/100
O3 (ozone):
Fair
29.9/100
SO2 (sulfur dioxide):
Good
0.7/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.9/100
PM1 (ultrafine particles):
Good
3.9/100
Levels show the poorest local air quality during the day
Tomorrow - 19 July | Pollution peaks at 12:00
AQI:
Fair
24.9/100
PM2.5 (fine particles):
Fair
20.3/100
PM10 (coarse particles):
Fair
22.9/100
NO2 (nitrogen dioxide):
Good
0.2/100
O3 (ozone):
Fair
24.9/100
SO2 (sulfur dioxide):
Good
0.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.2/100
PM1 (ultrafine particles):
Good
3.9/100
Other Landmarks in Houston
Sports venues in Houston
Frequently Asked Questions
Is air quality bad in Hermann Park right now?
On 18 July 2026, overall air quality in Hermann Park is fair. AQI is the main air quality indicator at 29.9/100. Pollution peaks around 11:00 AM (O3: 29.9/100).
Will air quality be worse tomorrow in Hermann Park?
On 19 July 2026, air quality conditions in Hermann Park will be similar to today, with AQI forecast at fair at 24.9/100. Pollution peaks around 12:00 PM (O3: 24.9/100).
When is air pollution at its worst in Hermann Park?
Air quality around Hermann Park changes with the seasons — 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 Hermann Park 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: 18 July 2026 at 21:30 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