Worst air pollution Dallas, today and tomorrow

Today (18 July): Air quality in Dallas is fair. AQI, PM10, and O3 are fair; PM2.5, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 8:00 AM (PM10: 29.0/100).
Tomorrow (19 July 2026): Air quality in Dallas is fair. All pollutants stay as today. Pollution peaks around 8:00 AM (O3: 28.1/100). 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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Dallas' air quality is driven by vehicle emissions across one of North America's most car-dependent metropolitan areas, with the flat North Texas plain allowing good wind dispersal on most days but providing no topographic barrier to regional ozone accumulation during hot summer months.

Today - 18 July | Pollution peaks at 08:00

AQI:

Fair

29.0/100

PM2.5 (fine particles):

Good

18.2/100

PM10 (coarse particles):

Fair

29.0/100

NO2 (nitrogen dioxide):

Good

0.8/100

O3 (ozone):

Fair

26.7/100

SO2 (sulfur dioxide):

Good

2.0/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

0.9/100

PM1 (ultrafine particles):

Good

4.1/100

Levels show the poorest local air quality during the day

Tomorrow - 19 July | Pollution peaks at 08:00

AQI:

Fair

28.1/100

PM2.5 (fine particles):

Good

14.7/100

PM10 (coarse particles):

Fair

22.1/100

NO2 (nitrogen dioxide):

Good

1.1/100

O3 (ozone):

Fair

28.1/100

SO2 (sulfur dioxide):

Good

1.2/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

1.0/100

PM1 (ultrafine particles):

Good

4.2/100

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Frequently Asked Questions

Is air quality bad in Dallas right now?

On 18 July 2026, overall air quality in Dallas is fair. AQI is the main air quality indicator at 29.0/100. Pollution peaks around 8:00 AM (PM10: 29.0/100).

Will air quality be worse tomorrow in Dallas?

On 19 July 2026, air quality conditions in Dallas will be similar to today, with AQI forecast at fair at 28.1/100. Pollution peaks around 8:00 AM (O3: 28.1/100).

When is air pollution at its worst in Dallas?

Seasonal changes shape air quality across Dallas. In short, between summer heat and winter cedar season, spring and fall offer the most moderate conditions, whereas extended summer heat waves bring the year's worst ozone readings in the state's biggest metro areas. Gulf Coast humidity and inland heat can each add their own seasonal pollution patterns.

Are air quality levels in Dallas 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