Worst air pollution Ciudad Río Bravo, today and tomorrow
Today (18 August): Air quality in Ciudad Río Bravo 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 10:00 PM (PM10: 93.5/100).
Tomorrow (19 August 2026): Air quality in Ciudad Río Bravo is very poor. All pollutants stay as today. Pollution peaks around 12:00 AM (PM10: 92.6/100). 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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Ciudad Río Bravo's air quality reflects the flat Tamaulipas Rio Grande border position adjacent to Hidalgo Texas, with vehicle traffic on surrounding roads and the agricultural, maquiladora, and border operations contributing local sources. Gulf of Mexico breezes provide warm-season ventilation, while the flat Gulf coastal terrain allows reasonable dispersal and Ciudad Río Bravo generally maintains moderate northeastern Mexican Gulf coastal border city readings throughout most of the year.
Today - 18 August | Pollution peaks at 22:00
AQI:
Very poor
93.5/100
PM2.5 (fine particles):
Poor
66.0/100
PM10 (coarse particles):
Very poor
93.5/100
NO2 (nitrogen dioxide):
Good
1.0/100
O3 (ozone):
Fair
25.2/100
SO2 (sulfur dioxide):
Good
1.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.1/100
PM1 (ultrafine particles):
Good
16.6/100
Levels show the poorest local air quality during the day
Tomorrow - 19 August | Pollution peaks at 00:00
AQI:
Very poor
92.6/100
PM2.5 (fine particles):
Poor
66.4/100
PM10 (coarse particles):
Very poor
92.6/100
NO2 (nitrogen dioxide):
Good
0.5/100
O3 (ozone):
Fair
30.9/100
SO2 (sulfur dioxide):
Good
0.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.9/100
PM1 (ultrafine particles):
Good
16.7/100
Frequently Asked Questions
Is air quality bad in Ciudad Río Bravo right now?
On 18 August 2026, overall air quality in Ciudad Río Bravo is very poor. AQI is the main air quality indicator at 93.5/100. Pollution peaks around 10:00 PM (PM10: 93.5/100).
Will air quality be worse tomorrow in Ciudad Río Bravo?
On 19 August 2026, air quality conditions in Ciudad Río Bravo will be similar to today, with AQI forecast at very poor at 92.6/100. Pollution peaks around 12:00 AM (PM10: 92.6/100).
When is air pollution at its worst in Ciudad Río Bravo?
In Ciudad Río Bravo, traffic on the surrounding roads as well as agricultural activity are the main local sources, with conditions worsening when the sea breeze weakens. Sea breezes typically keep conditions in check, except during still weather. Areas further inland without this ventilation tend to fare worse.
Are air quality levels in Ciudad Río Bravo 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 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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