Worst air pollution Naperville Riverwalk - Naperville, today and tomorrow

Today (16 July): Air quality in Naperville Riverwalk is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 11:00 AM (O3: 36.7/100).
Tomorrow (17 July 2026): Air quality in Naperville Riverwalk is fair. All pollutants stay as today. Pollution peaks around 12:00 PM (O3: 37.6/100). 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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Since Naperville Riverwalk is a landscaped path along the DuPage River downtown, its air quality mirrors Naperville overall rather than following a separate local pattern. Local traffic and immediate surroundings can shift day-to-day readings slightly from the citywide figure.

Today - 16 July | Pollution peaks at 11:00

AQI:

Fair

36.7/100

PM2.5 (fine particles):

Good

10.1/100

PM10 (coarse particles):

Good

10.3/100

NO2 (nitrogen dioxide):

Good

5.0/100

O3 (ozone):

Fair

36.7/100

SO2 (sulfur dioxide):

Good

0.6/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

5.5/100

PM1 (ultrafine particles):

Good

6.7/100

Levels show the poorest local air quality during the day

Tomorrow - 17 July | Pollution peaks at 12:00

AQI:

Fair

37.6/100

PM2.5 (fine particles):

Good

6.5/100

PM10 (coarse particles):

Good

2.6/100

NO2 (nitrogen dioxide):

Good

6.3/100

O3 (ozone):

Fair

37.6/100

SO2 (sulfur dioxide):

Good

0.2/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

5.2/100

PM1 (ultrafine particles):

Good

5.4/100

Other Landmarks in Naperville

Frequently Asked Questions

Is air quality bad in Naperville Riverwalk right now?

On 16 July 2026, overall air quality in Naperville Riverwalk is fair. AQI is the main air quality indicator at 36.7/100. Pollution peaks around 11:00 AM (O3: 36.7/100).

Will air quality be worse tomorrow in Naperville Riverwalk?

On 17 July 2026, air quality conditions in Naperville Riverwalk will be similar to today, with AQI forecast at fair at 37.6/100. Pollution peaks around 12:00 PM (O3: 37.6/100).

When is air pollution at its worst in Naperville Riverwalk?

Air quality around Naperville Riverwalk changes with the seasons, as the mildest, cleanest weather usually falls in spring and autumn; by contrast, summer heat waves are the main driver of poor air quality, as ozone builds under stagnant, humid conditions. Calm, cold winter spells can occasionally allow local pollution to build up before the next weather system clears it.

Are air quality levels in Naperville Riverwalk 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