Worst air pollution South Wedge - Rochester, today and tomorrow

Today (16 July): Air quality in South Wedge 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: 33.2/100).
Tomorrow (17 July 2026): Air quality in South Wedge is fair. All pollutants stay as today. Pollution peaks around 8:00 AM (O3: 27.6/100). 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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Rochester's South Wedge air quality reflects the historic South Side arts and residential neighbourhood, with vehicle traffic on the surrounding South Avenue and Gregory Street corridors contributing local sources. The Genesee River gorge provides limited natural ventilation, while the neighbourhood's walkable character and Lake Ontario's regional lake influence provide background ventilation and the South Wedge generally maintains moderate Rochester metropolitan readings throughout most of the year.

Today - 16 July | Pollution peaks at 11:00

AQI:

Fair

33.2/100

PM2.5 (fine particles):

Good

8.1/100

PM10 (coarse particles):

Good

4.7/100

NO2 (nitrogen dioxide):

Good

16.5/100

O3 (ozone):

Fair

33.2/100

SO2 (sulfur dioxide):

Good

1.0/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

5.8/100

PM1 (ultrafine particles):

Good

5.6/100

Levels show the poorest local air quality during the day

Tomorrow - 17 July | Pollution peaks at 08:00

AQI:

Fair

27.6/100

PM2.5 (fine particles):

Good

5.2/100

PM10 (coarse particles):

Good

2.0/100

NO2 (nitrogen dioxide):

Good

11.7/100

O3 (ozone):

Fair

27.6/100

SO2 (sulfur dioxide):

Good

1.1/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

2.9/100

PM1 (ultrafine particles):

Good

3.7/100

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Frequently Asked Questions

Is air quality bad in South Wedge right now?

On 16 July 2026, overall air quality in South Wedge is fair. AQI is the main air quality indicator at 33.2/100. Pollution peaks around 11:00 AM (O3: 33.2/100).

Will air quality be worse tomorrow in South Wedge?

On 17 July 2026, air quality conditions in South Wedge will be similar to today, with AQI forecast at fair at 27.6/100. Pollution peaks around 8:00 AM (O3: 27.6/100).

When is air pollution at its worst in South Wedge?

Seasonal changes shape air quality at South Wedge much as they do across Rochester. In short, the shoulder seasons bring the most consistently clean air of the year, whereas summer heat waves, often worsened by haze drifting in from other regions, bring the year's worst air. Coastal sea breezes can offer some relief from inland summer ozone buildup.

Are air quality levels in South Wedge 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