Stay updated with real-time air quality in Streator, 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)
56
Moderate
Streator, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
11.83 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
52.24 μg/m³
0
55
155
255
425
605+
9.76 ppb
0
55
71
86
201
201+
1.21 ppb
0
36
76
186
605
1005+
7.75 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Streator, Illinois
Streator, Illinois
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AQI 56
Moderate
12.07μg/m³
PM2.5
54.43μg/m³
PM10
6.28ppb
O3
1.09ppb
SO2
7.73ppb
NO2
0.18ppm
CO
AQI 33
Good
6.28μg/m³
PM2.5
26.07μg/m³
PM10
22.33ppb
O3
1.66ppb
SO2
4.80ppb
NO2
0.18ppm
CO
AQI 33
Good
6.17μg/m³
PM2.5
23.50μg/m³
PM10
15.73ppb
O3
1.77ppb
SO2
5.35ppb
NO2
0.21ppm
CO
AQI 33
Good
5.92μg/m³
PM2.5
23.84μg/m³
PM10
15.84ppb
O3
1.85ppb
SO2
5.36ppb
NO2
0.21ppm
CO
AQI 33
Good
6.16μg/m³
PM2.5
27.09μg/m³
PM10
15.03ppb
O3
1.95ppb
SO2
5.38ppb
NO2
0.21ppm
CO
AQI 27
Good
5.40μg/m³
PM2.5
26.41μg/m³
PM10
19.51ppb
O3
1.69ppb
SO2
5.36ppb
NO2
0.22ppm
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 Streator, Illinois is updated every hour for accuracy.
In the past 24 hours, the air quality in Streator, Illinois was at its worst at 08:00:00 on 2026-09-06.
In the last 24 hours, the best air quality in Streator, Illinois was observed at 12:00:00 on 2026-09-07.
As of now, the AQI in Streator, Illinois is 56, indicating Moderate conditions.
Streator, Illinois air has the highest levels of PM2.5.
Poor air quality in Streator, Illinois means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Streator, Illinois are currently 11.829 μg/m3.
The PM10 concentration in Streator, Illinois is 52.24 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Streator, Illinois is 0.184 ppm.
Currently, Streator, Illinois has a sulfur dioxide (SO2) concentration of 1.208 ppb.
The current ozone (O3) level in Streator, Illinois at the moment is 9.758 ppm.
Nitrogen dioxide (NO2) level in Streator, Illinois at the moment is 7.752 ppb.
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