Air Quality in Oswego, United States
Drizzle
23.9°C · 66.0% humidity
23.9°
Feels 23.9°
55
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
1 station
Nearby Monitoring Stations
Oswego's air quality — share it
AQI Forecast
24
1pm
24
24
55
4pm
46
40
35
7pm
33
31
29
10pm
28
27
27
1am
26
26
55
4am
66
83
83
7am
34
54
66
10am
83
84
Air Quality Index Trend
48h · 3 stnOswego's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
66.0%
Humidity
37.5 km/h
Wind ENE
1013.6 hPa
Pressure
12.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
14.0 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Oswego?
Temperature & Precipitation
PM2.5 Trend
48h · 3 stationsPM2.514.0 µg/m³
✓ WHO
Moderate
PM1020.55 µg/m³
Good
UV INDEX12.9
Extreme
Station readings (1 station within 25 km)
14.0
Median
14.0
Average
14.0
Low
14.0
High
PM2.5 µg/m³ · Model: 9.65 · Bias: -4.3
What is the 7-day forecast for Oswego?
07-21
28.0° 21.8°
1.5 mm
07-22
23.9° 18.3°
0.56 mm
07-23
22.2° 15.9°
13.25 mm
07-24
26.8° 16.7°
07-25
23.2° 16.9°
0.44 mm
07-26
24.7° 20.1°
1.94 mm
07-27
26.1° 19.1°
0.19 mm
Both models agree
Avg diff: 4.1°C
Where are air quality stations near Oswego?
45
Naperville, Illinois, USA
40
Naperville, Illinois, USA
44
Joliet, Illinois, USA
48
Joliet, Illinois, USA
49
Joliet, Illinois, USA
What cities are near Oswego?
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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 2026-07-21T21:38 UTC.