Worst air pollution Laredo, today and tomorrow
Today (9 August): Air quality in Laredo is fair. O3 is fair; AQI, PM2.5, and PM10 are medium; NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 1:00 AM (PM10: 48.3/100).
Tomorrow (10 August 2026): Air quality in Laredo is fair. All pollutants stay as today. Pollution peaks around 6:00 PM (PM10: 52.7/100). 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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Laredo's air quality faces the unique challenge of one of the US-Mexico border's busiest commercial crossings, with the World Trade Bridge and Colombia Solidarity Bridge generating massive concentrations of diesel truck emissions from international freight traffic that represents one of Texas' most significant localised pollution point sources. The flat South Texas brush country generally provides reasonable wind dispersal, while cross-border industrial emissions from Nuevo Laredo compound the local air quality burden.
Today - 9 August | Pollution peaks at 01:00
AQI:
Medium
48.3/100
PM2.5 (fine particles):
Medium
40.1/100
PM10 (coarse particles):
Medium
48.3/100
NO2 (nitrogen dioxide):
Good
0.0/100
O3 (ozone):
Fair
27.0/100
SO2 (sulfur dioxide):
Good
0.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.9/100
PM1 (ultrafine particles):
Good
5.1/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 18:00
AQI:
Medium
52.7/100
PM2.5 (fine particles):
Medium
41.5/100
PM10 (coarse particles):
Medium
52.7/100
NO2 (nitrogen dioxide):
Good
0.0/100
O3 (ozone):
Fair
32.1/100
SO2 (sulfur dioxide):
Good
0.4/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.8/100
PM1 (ultrafine particles):
Good
6.9/100
Pollen forecast in Laredo
View pollen forecastAir quality forecasts for neighbourhoods and landmarks in Laredo
Frequently Asked Questions
Is air quality bad in Laredo right now?
On 9 August 2026, overall air quality in Laredo is fair. O3 is the main pollutant at 27.0/100. Pollution peaks around 1:00 AM (PM10: 48.3/100).
Will air quality be worse tomorrow in Laredo?
On 10 August 2026, air quality conditions in Laredo will be similar to today, with O3 forecast at fair at 32.1/100. Pollution peaks around 6:00 PM (PM10: 52.7/100).
When is air pollution at its worst in Laredo?
Laredo sees air quality change through the year, as the mildest, cleanest stretch typically falls in spring or autumn; by contrast, long, hot summers bring the highest ozone risk, especially across the major urban corridors. Dust from West Texas can occasionally drift across the state and add to particulate levels.
Are air quality levels in Laredo 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: 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.
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