Worst air pollution Lawrenceville - Pittsburgh, today and tomorrow

Today (20 September): Air quality in Lawrenceville is good. AQI, PM2.5, PM10, NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 1:00 PM (O3: 19.8/100).
Tomorrow (21 September 2026): Air quality in Lawrenceville is fair. AQI worsens to fair; NO2 increases to fair; O3 increases to fair; all other pollutants stay as today. Pollution peaks around 12:00 PM (O3: 22.4/100). 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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Lawrenceville sits at a hillside residential district with converted industrial buildings; air quality here tracks closely with the wider Pittsburgh area and the same regional influences that shape it. Any local variation tends to be minor compared with the seasonal swings seen across the wider city.

Today - 20 September | Pollution peaks at 13:00

AQI:

Good

19.8/100

PM2.5 (fine particles):

Good

15.5/100

PM10 (coarse particles):

Good

6.6/100

NO2 (nitrogen dioxide):

Good

17.7/100

O3 (ozone):

Good

19.8/100

SO2 (sulfur dioxide):

Good

0.7/100

CO (carbon monoxide):

Good

0.6/100

HCHO (formaldehyde):

Good

3.5/100

PM1 (ultrafine particles):

Good

4.4/100

Levels show the poorest local air quality during the day

Tomorrow - 21 September | Pollution peaks at 12:00

AQI:

Fair

22.4/100

PM2.5 (fine particles):

Good

12.6/100

PM10 (coarse particles):

Good

6.4/100

NO2 (nitrogen dioxide):

Fair

20.9/100

O3 (ozone):

Fair

22.4/100

SO2 (sulfur dioxide):

Good

1.1/100

CO (carbon monoxide):

Good

0.5/100

HCHO (formaldehyde):

Good

4.4/100

PM1 (ultrafine particles):

Good

2.7/100

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Frequently Asked Questions

Is air quality bad in Lawrenceville right now?

On 20 September 2026, overall air quality in Lawrenceville is good. AQI is the main air quality indicator at 19.8/100. Pollution peaks around 1:00 PM (O3: 19.8/100).

Will air quality be worse tomorrow in Lawrenceville?

On 21 September 2026, air quality conditions in Lawrenceville will be worse than today, with AQI forecast at fair at 22.4/100. Pollution peaks around 12:00 PM (O3: 22.4/100).

When is air pollution at its worst in Lawrenceville?

This neighborhood in Pittsburgh sees air quality shift through the year, as the cleanest stretch of the year usually comes in winter; by contrast, the hottest, most humid summer weeks bring the year's highest ozone readings. Suburban and rural areas generally see less of the persistent traffic-driven pollution that affects the urban core.

Are air quality levels in Lawrenceville 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: 20 September 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.

Some text on this page may be generated or summarised using artificial intelligence (AI). Wherever possible, AI-generated content is enriched with Airmine's proprietary data to improve its accuracy and relevance. However, AI-generated content may still contain errors, omissions, or inaccuracies.

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