Highest air pollution Allegheny River Trail - Pittsburgh, today and tomorrow

Today (30 June): Air quality in Allegheny River Trail is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 9:00 AM (O3: 38.8/100).
Tomorrow (1 July 2026): Air quality in Allegheny River Trail is fair. All pollutants stay as today. Pollution peaks around 1:00 PM (O3: 31.0/100). 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

Pittsburgh's Allegheny River Trail records good air quality along the northeastern Allegheny corridor, with the river valley providing natural ventilation and the trail's distance from the Ohio Valley industrial complex keeping readings well below Pittsburgh's most polluted western and southern districts. The riverbank tree cover reinforces the clean-air corridor effect.

Today - 30 June | Pollution peaks at 09:00

AQI:

Fair

38.8/100

PM2.5 (fine particles):

Good

7.5/100

PM10 (coarse particles):

Good

3.8/100

NO2 (nitrogen dioxide):

Good

7.6/100

O3 (ozone):

Fair

38.8/100

SO2 (sulfur dioxide):

Good

1.2/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

5.1/100

PM1 (ultrafine particles):

Good

5.7/100

Levels show the poorest local air quality during the day

Tomorrow - 1 July | Pollution peaks at 13:00

AQI:

Fair

31.0/100

PM2.5 (fine particles):

Good

6.6/100

PM10 (coarse particles):

Good

2.7/100

NO2 (nitrogen dioxide):

Good

5.8/100

O3 (ozone):

Fair

31.0/100

SO2 (sulfur dioxide):

Good

0.8/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

4.3/100

PM1 (ultrafine particles):

Good

4.7/100

Other Landmarks in Pittsburgh

Frequently Asked Questions

Is air quality bad in Allegheny River Trail right now?

On 30 June 2026, overall air quality in Allegheny River Trail is fair. AQI is the main air quality indicator at 38.8/100. Pollution peaks around 9:00 AM (O3: 38.8/100).

Will air quality be worse tomorrow in Allegheny River Trail?

On 1 July 2026, air quality conditions in Allegheny River Trail will be similar to today, with AQI forecast at fair at 31.0/100. Pollution peaks around 1:00 PM (O3: 31.0/100).

Are air quality levels in Allegheny River Trail 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?

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Data provided by Airmine — Last update: 1 July 2026 at 01:04 CET (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

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