Stay updated with real-time air quality in Roscoe, Illinois featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
35
Good
Roscoe, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.16 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
23.36 μg/m³
0
55
155
255
425
605+
38.02 ppb
0
55
71
86
201
201+
0.82 ppb
0
36
76
186
605
1005+
9.00 ppb
0
54
101
361
1250
2050+
0.21 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Roscoe, Illinois
Roscoe, Illinois
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AQI 37
Good
5.15μg/m³
PM2.5
22.17μg/m³
PM10
40.21ppb
O3
0.84ppb
SO2
4.59ppb
NO2
0.18ppm
CO
AQI 42
Good
5.16μg/m³
PM2.5
23.74μg/m³
PM10
44.79ppb
O3
0.75ppb
SO2
5.01ppb
NO2
0.18ppm
CO
AQI 37
Good
5.17μg/m³
PM2.5
22.25μg/m³
PM10
40.04ppb
O3
0.84ppb
SO2
4.58ppb
NO2
0.18ppm
CO
AQI 41
Good
4.30μg/m³
PM2.5
19.02μg/m³
PM10
43.96ppb
O3
0.85ppb
SO2
4.51ppb
NO2
0.18ppm
CO
AQI 40
Good
6.05μg/m³
PM2.5
24.91μg/m³
PM10
42.55ppb
O3
0.91ppb
SO2
5.14ppb
NO2
0.18ppm
CO
AQI 39
Good
3.43μg/m³
PM2.5
20.69μg/m³
PM10
42.28ppb
O3
0.71ppb
SO2
5.08ppb
NO2
0.18ppm
CO
Air quality and pollutant data for Illinois, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Roscoe, Illinois is updated every hour for accuracy.
In the past 24 hours, the air quality in Roscoe, Illinois was at its worst at 03:00:00 on 2026-10-07.
In the last 24 hours, the best air quality in Roscoe, Illinois was observed at 12:00:00 on 2026-10-07.
As of now, the AQI in Roscoe, Illinois is 39, indicating Good conditions.
Roscoe, Illinois air has the highest levels of O3.
Poor air quality in Roscoe, Illinois means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Roscoe, Illinois are currently 5.019 μg/m3.
The PM10 concentration in Roscoe, Illinois is 22.25 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Roscoe, Illinois is 0.177 ppm.
Currently, Roscoe, Illinois has a sulfur dioxide (SO2) concentration of 0.808 ppb.
The current ozone (O3) level in Roscoe, Illinois at the moment is 42.289 ppm.
Nitrogen dioxide (NO2) level in Roscoe, Illinois at the moment is 4.743 ppb.
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