Worst air pollution Valle Hermoso, today and tomorrow
Today (9 August): Air quality in Valle Hermoso is very poor. AQI and PM10 are very poor; PM2.5 is poor; O3 is fair; NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 5:00 AM (PM10: 98.1/100).
Tomorrow (10 August 2026): Air quality in Valle Hermoso is very poor. PM1 increases to fair; all other pollutants stay as today. Pollution peaks around 11:00 PM (PM10: 100/100). Airmine updates local air quality forecasts four times daily.
Get the full experience in the Airmine app.
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
Follow your pollen exposure and performance with the free Airmine–Strava integration. See your pollen and air quality exposure for every Strava activity.
Valle Hermoso's air quality reflects the flat Tamaulipas Gulf coastal plain position adjacent to the Rio Grande border corridor, with vehicle traffic on surrounding roads and the agricultural, maquiladora, and services corridor contributing local sources. Gulf of Mexico breezes provide warm-season ventilation, while the flat coastal terrain allows reasonable dispersal and Valle Hermoso generally maintains moderate northeastern Mexican Gulf coastal plain readings throughout most of the year.
Today - 9 August | Pollution peaks at 05:00
AQI:
Very poor
98.1/100
PM2.5 (fine particles):
Poor
62.7/100
PM10 (coarse particles):
Very poor
98.1/100
NO2 (nitrogen dioxide):
Good
0.6/100
O3 (ozone):
Fair
29.2/100
SO2 (sulfur dioxide):
Good
5.1/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.9/100
PM1 (ultrafine particles):
Good
14.5/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 23:00
AQI:
Very poor
100/100
PM2.5 (fine particles):
Poor
67.7/100
PM10 (coarse particles):
Very poor
100/100
NO2 (nitrogen dioxide):
Good
0.7/100
O3 (ozone):
Fair
30.4/100
SO2 (sulfur dioxide):
Good
19.9/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.0/100
PM1 (ultrafine particles):
Fair
21.5/100
Frequently Asked Questions
Is air quality bad in Valle Hermoso right now?
On 9 August 2026, overall air quality in Valle Hermoso is very poor. AQI is the main air quality indicator at 98.1/100. Pollution peaks around 5:00 AM (PM10: 98.1/100).
Will air quality be worse tomorrow in Valle Hermoso?
On 10 August 2026, air quality conditions in Valle Hermoso will be similar to today, with AQI forecast at very poor at 100/100. Pollution peaks around 11:00 PM (PM10: 100/100).
When is air pollution at its worst in Valle Hermoso?
Air quality in Valle Hermoso tends to be worse when traffic on the surrounding roads together with agricultural activity build up and onshore breezes fall calm. Maritime airflow normally ventilates the area well, though calmer spells let levels rise. Areas further inland without this ventilation tend to fare worse.
Are air quality levels in Valle Hermoso 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.
Check air quality in other popular cities:
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.
Get the full experience in the Airmine app.