Worst air pollution South Congress Avenue - Austin, today and tomorrow

Today (16 July): Air quality in South Congress Avenue 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: 29.0/100).
Tomorrow (17 July 2026): Air quality in South Congress Avenue is fair. PM2.5 decreases to good; PM10 decreases to good; all other pollutants stay as today. Pollution peaks around 10:00 AM (O3: 27.4/100). 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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Austin's South Congress Avenue air quality reflects the vibrant South Austin commercial corridor, with vehicle traffic on South Congress Avenue and the surrounding mixed residential and boutique commercial character contributing local sources. The flat Central Texas terrain allows reasonable dispersal, while the neighbourhood's walkable character and the consistent Gulf breeze ventilation during warm months generally maintain moderate Austin metropolitan readings throughout most of the year.

Today - 16 July | Pollution peaks at 11:00

AQI:

Fair

29.0/100

PM2.5 (fine particles):

Fair

20.5/100

PM10 (coarse particles):

Fair

27.4/100

NO2 (nitrogen dioxide):

Good

0.2/100

O3 (ozone):

Fair

29.0/100

SO2 (sulfur dioxide):

Good

7.8/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

0.7/100

PM1 (ultrafine particles):

Good

4.7/100

Levels show the poorest local air quality during the day

Tomorrow - 17 July | Pollution peaks at 10:00

AQI:

Fair

27.4/100

PM2.5 (fine particles):

Good

17.7/100

PM10 (coarse particles):

Good

17.8/100

NO2 (nitrogen dioxide):

Good

0.2/100

O3 (ozone):

Fair

27.4/100

SO2 (sulfur dioxide):

Good

5.1/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

0.7/100

PM1 (ultrafine particles):

Good

4.3/100

Other Landmarks in Austin

Frequently Asked Questions

Is air quality bad in South Congress Avenue right now?

On 16 July 2026, overall air quality in South Congress Avenue is fair. AQI is the main air quality indicator at 29.0/100. Pollution peaks around 11:00 AM (O3: 29.0/100).

Will air quality be worse tomorrow in South Congress Avenue?

On 17 July 2026, air quality conditions in South Congress Avenue will be similar to today, with AQI forecast at fair at 27.4/100. Pollution peaks around 10:00 AM (O3: 27.4/100).

When is air pollution at its worst in South Congress Avenue?

Conditions at South Congress Avenue vary noticeably across the seasons — spring and autumn generally bring more moderate, cleaner conditions between the extremes of summer and winter cedar season, whereas extended summer heat waves bring the year's worst ozone readings in the state's biggest metro areas. Dust from West Texas can occasionally drift across the state and add to particulate levels.

Are air quality levels in South Congress Avenue 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.

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Data provided by Airmine — Last update: 16 July 2026 at 10:33 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