Worst air pollution Downtown New Rochelle - New Rochelle, today and tomorrow

Today (16 July): Air quality in Downtown New Rochelle is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 12:00 PM (O3: 37.6/100).
Tomorrow (17 July 2026): Air quality in Downtown New Rochelle is medium. AQI improves to medium; O3 decreases to medium; all other pollutants stay as today. Pollution peaks around 12:00 PM (O3: 40.4/100). 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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Since Downtown New Rochelle is the city's compact downtown core, its air quality mirrors New Rochelle overall rather than following a separate local pattern. Any local variation tends to be minor compared with the seasonal swings seen across the wider city.

Today - 16 July | Pollution peaks at 12:00

AQI:

Fair

37.6/100

PM2.5 (fine particles):

Good

10.9/100

PM10 (coarse particles):

Good

11.0/100

NO2 (nitrogen dioxide):

Good

5.9/100

O3 (ozone):

Fair

37.6/100

SO2 (sulfur dioxide):

Good

1.2/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

6.1/100

PM1 (ultrafine particles):

Good

6.0/100

Levels show the poorest local air quality during the day

Tomorrow - 17 July | Pollution peaks at 12:00

AQI:

Medium

40.4/100

PM2.5 (fine particles):

Good

7.4/100

PM10 (coarse particles):

Good

3.6/100

NO2 (nitrogen dioxide):

Good

10.2/100

O3 (ozone):

Medium

40.4/100

SO2 (sulfur dioxide):

Good

1.1/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

5.9/100

PM1 (ultrafine particles):

Good

4.7/100

Other Landmarks in New Rochelle

Sports venues in New Rochelle

Frequently Asked Questions

Is air quality bad in Downtown New Rochelle right now?

On 16 July 2026, overall air quality in Downtown New Rochelle is fair. AQI is the main air quality indicator at 37.6/100. Pollution peaks around 12:00 PM (O3: 37.6/100).

Will air quality be worse tomorrow in Downtown New Rochelle?

On 17 July 2026, air quality conditions in Downtown New Rochelle will be better than today, with AQI forecast at medium at 40.4/100. Pollution peaks around 12:00 PM (O3: 40.4/100).

When is air pollution at its worst in Downtown New Rochelle?

Downtown New Rochelle experiences the same seasonal air quality swings as the rest of New Rochelle, as the shoulder seasons bring the most consistently clean air of the year; by contrast, summer heat and regional haze drifting up from the Midwest and South drive ozone spikes. Winter cold fronts tend to clear the air quickly, so extended pollution episodes are relatively uncommon.

Are air quality levels in Downtown New Rochelle 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