Worst air pollution Noblesville, today and tomorrow

Today (16 July): Air quality in Noblesville is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 8:00 AM (O3: 34.1/100).
Tomorrow (17 July 2026): Air quality in Noblesville is fair. All pollutants stay as today. Pollution peaks around 8:00 AM (O3: 38.0/100). 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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Noblesville's air quality benefits from the flat Hamilton County Indiana prairie providing generally good wind dispersal, with vehicle emissions from SR-37 and SR-32 the primary local sources in this major Indianapolis northeastern suburb. The broader Indianapolis metropolitan regional ozone from vehicle and agricultural sources is the primary warm-season concern, while Noblesville's planned community character generally maintains moderate Midwest urban air quality levels throughout the year.

Today - 16 July | Pollution peaks at 08:00

AQI:

Fair

34.1/100

PM2.5 (fine particles):

Good

9.9/100

PM10 (coarse particles):

Good

9.0/100

NO2 (nitrogen dioxide):

Good

1.2/100

O3 (ozone):

Fair

34.1/100

SO2 (sulfur dioxide):

Good

0.2/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

4.9/100

PM1 (ultrafine particles):

Good

6.3/100

Levels show the poorest local air quality during the day

Tomorrow - 17 July | Pollution peaks at 08:00

AQI:

Fair

38.0/100

PM2.5 (fine particles):

Good

10.7/100

PM10 (coarse particles):

Good

6.2/100

NO2 (nitrogen dioxide):

Good

0.9/100

O3 (ozone):

Fair

38.0/100

SO2 (sulfur dioxide):

Good

0.1/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

5.6/100

PM1 (ultrafine particles):

Good

6.9/100

Pollen forecast in Noblesville

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Frequently Asked Questions

Is air quality bad in Noblesville right now?

On 16 July 2026, overall air quality in Noblesville is fair. AQI is the main air quality indicator at 34.1/100. Pollution peaks around 8:00 AM (O3: 34.1/100).

Will air quality be worse tomorrow in Noblesville?

On 17 July 2026, air quality conditions in Noblesville will be similar to today, with AQI forecast at fair at 38.0/100. Pollution peaks around 8:00 AM (O3: 38.0/100).

When is air pollution at its worst in Noblesville?

Air quality in Noblesville shifts across the year, as spring and autumn tend to bring the cleanest, most stable air; by contrast, the hottest, most humid summer days bring the year's worst ozone readings. Calm, cold winter spells can occasionally allow local pollution to build up before the next weather system clears it.

Are air quality levels in Noblesville 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: 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