Worst air pollution Exposition Park - Los Angeles, today and tomorrow

Today (15 July): Air quality in Exposition Park is fair. AQI, PM10, and O3 are fair; PM2.5, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 8:00 AM (O3: 31.2/100).
Tomorrow (16 July 2026): Air quality in Exposition Park is fair. All pollutants stay as today. Pollution peaks around 9:00 AM (O3: 29.9/100). Airmine updates local air quality forecasts four times daily.

For long term forecasts and maps, see the Airmine app

Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team

Use our Strava plugin to check your own exposure.

Los Angeles' Exposition Park air quality reflects the University of Southern California campus corridor, with vehicle traffic on Figueroa Street and the surrounding dense urban residential and sporting complex character contributing elevated NOₓ. The LA Memorial Coliseum and BMO Stadium's concentrated event traffic generates significant periodic peaks, while the flat basin position maintains moderate to elevated inner Los Angeles basin readings and the university campus's green space provides limited local buffering throughout the year.

Today - 15 July | Pollution peaks at 08:00

AQI:

Fair

31.2/100

PM2.5 (fine particles):

Good

14.4/100

PM10 (coarse particles):

Fair

22.4/100

NO2 (nitrogen dioxide):

Good

0.0/100

O3 (ozone):

Fair

31.2/100

SO2 (sulfur dioxide):

Good

0.0/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

0.9/100

PM1 (ultrafine particles):

Good

2.5/100

Levels show the poorest local air quality during the day

Tomorrow - 16 July | Pollution peaks at 09:00

AQI:

Fair

29.9/100

PM2.5 (fine particles):

Good

13.3/100

PM10 (coarse particles):

Fair

23.1/100

NO2 (nitrogen dioxide):

Good

0.0/100

O3 (ozone):

Fair

29.9/100

SO2 (sulfur dioxide):

Good

0.0/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

1.0/100

PM1 (ultrafine particles):

Good

2.6/100

Other Landmarks in Los Angeles

Sports venues in Los Angeles

Frequently Asked Questions

Is air quality bad in Exposition Park right now?

On 15 July 2026, overall air quality in Exposition Park is fair. AQI is the main air quality indicator at 31.2/100. Pollution peaks around 8:00 AM (O3: 31.2/100).

Will air quality be worse tomorrow in Exposition Park?

On 16 July 2026, air quality conditions in Exposition Park will be similar to today, with AQI forecast at fair at 29.9/100. Pollution peaks around 9:00 AM (O3: 29.9/100).

When is air pollution at its worst in Exposition Park?

At Exposition Park, air quality tends to follow Los Angeles's broader seasonal rhythm, as winter typically brings the cleanest stretch, once occasional rain clears the basin; by contrast, hot, sunny summer conditions drive persistent ozone problems, compounded by wildfire smoke risk into early autumn. Coastal breezes offer some relief compared to inland valley locations that see heavier smog buildup.

Are air quality levels in Exposition Park 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.

Want to see air quality forecasts for other cities in United States?

Check air quality in other popular cities:

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