What is the air quality in Oswego today?

The current Air Quality Index (AQI) in Oswego is 40 (Good). PM2.5 concentration is 9.6 µg/m³.

What is the temperature in Oswego right now?

The current temperature in Oswego is 11.8°C (feels like 11.8°C). Humidity is 59.1% and wind speed is 29.3 km/h.

Is it safe to go outside in Oswego?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Oswego, United States

Partly Cloudy

11.8°C · 59.1% humidity

11.8°

Feels 11.8°

Good

Air quality is satisfactory. Enjoy outdoor activities.

1 station

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

46h · 50 stn

View full history →

Oswego's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

59.1%

Humidity

29.3 km/h

Wind ESE

1023.7 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

9.6 µg/m³

PM10

27.4 µg/m³

050100150200300500

What is the weather forecast for Oswego?

Temperature & Precipitation

PM2.5 Trend

46h · 50 stations

PM2.59.6 µg/m³ ✓ WHO

Good

PM1027.4 µg/m³

Good

UV INDEX0.0

Low

Station readings (1 station within 25 km)

9.6

Median

9.6

Average

9.6

Low

9.6

High

PM2.5 µg/m³ · Model: 13.5 · Bias: +3.9

What is the 7-day forecast for Oswego?

10-20

9.0° 3.4°

10-21

20.9° 10.4°

1.06 mm

10-22

14.8° 5.9°

10-23

10.9° 6.9°

1.31 mm

10-24

21.0° 7.4°

10-25

13.1° 0.7°

0.25 mm

10-26

17.6° 2.7°

3.69 mm

Both models agree Avg diff: 5.4°C

Where are air quality stations near Oswego?

Naperville, Illinois, USA

19.2 km PM2.5: 9.6 µg/m³

Joliet, Illinois, USA

26.1 km PM2.5: 5.5 µg/m³

Joliet, Illinois, USA

26.1 km PM2.5: 6.0 µg/m³

What cities are near Oswego?

40 Montgomery 40 Aurora 40 Yorkville 40 North Aurora 40 Batavia 40 Naperville 23 Shorewood 31 Romeoville 40 Geneva 40 Bolingbrook

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ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-10-20T21:44 UTC.