Worst air pollution Oswego, today and tomorrow
Today (9 August): Air quality in Oswego is fair. O3 is fair; AQI and NO2 are medium; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 1:00 AM (NO2: 43.1/100).
Tomorrow (10 August 2026): Air quality in Oswego is fair. All pollutants stay as today. Pollution peaks around 6:00 PM (NO2: 43.6/100). Airmine updates local air quality forecasts four times daily.
Get the full experience in the Airmine app.
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
Follow your pollen exposure and performance with the free Airmine–Strava integration. See your pollen and air quality exposure for every Strava activity.
Oswego experiences air quality conditions shaped chiefly by Lake Ontario lake-effect air, and lake breezes generally keep air quality favorable. Most days bring generally favorable conditions here, with occasional exceptions tied to shifting weather patterns. None of this replaces checking the current forecast before heading outdoors in Oswego.
Today - 9 August | Pollution peaks at 01:00
AQI:
Medium
43.1/100
PM2.5 (fine particles):
Good
15.3/100
PM10 (coarse particles):
Good
6.8/100
NO2 (nitrogen dioxide):
Medium
43.1/100
O3 (ozone):
Fair
36.8/100
SO2 (sulfur dioxide):
Good
4.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
7.7/100
PM1 (ultrafine particles):
Good
12.1/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 18:00
AQI:
Medium
43.6/100
PM2.5 (fine particles):
Good
14.9/100
PM10 (coarse particles):
Good
8.3/100
NO2 (nitrogen dioxide):
Medium
43.6/100
O3 (ozone):
Fair
31.8/100
SO2 (sulfur dioxide):
Good
4.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
5.4/100
PM1 (ultrafine particles):
Good
10.5/100
Pollen forecast in Oswego
View pollen forecastFrequently Asked Questions
Is air quality bad in Oswego right now?
On 9 August 2026, overall air quality in Oswego is fair. O3 is the main pollutant at 36.8/100. Pollution peaks around 1:00 AM (NO2: 43.1/100).
Will air quality be worse tomorrow in Oswego?
On 10 August 2026, air quality conditions in Oswego will be similar to today, with O3 forecast at fair at 31.8/100. Pollution peaks around 6:00 PM (NO2: 43.6/100).
When is air pollution at its worst in Oswego?
Seasonal changes shape air quality across Oswego: frequent frontal systems in spring and fall usually keep the air cleanest then, but summer heat and regional haze drifting up from the Midwest and South drive ozone spikes. Coastal sea breezes can offer some relief from inland summer ozone buildup.
Are air quality levels in Oswego 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.
Want to see air quality forecasts for other cities in United States?
Check air quality in other popular cities:
Data provided by Airmine — Last update: 9 August 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.
Get the full experience in the Airmine app.