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)
27
Good
Streator, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.07 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
21.78 μg/m³
0
55
155
255
425
605+
14.51 ppb
0
55
71
86
201
201+
0.29 ppb
0
36
76
186
605
1005+
5.69 ppb
0
54
101
361
1250
2050+
0.19 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Streator, Illinois
Streator, Illinois
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AQI 27
Good
4.59μg/m³
PM2.5
19.94μg/m³
PM10
17.04ppb
O3
0.29ppb
SO2
5.82ppb
NO2
0.19ppm
CO
AQI 27
Good
5.45μg/m³
PM2.5
27.93μg/m³
PM10
27.27ppb
O3
0.54ppb
SO2
7.54ppb
NO2
0.16ppm
CO
AQI 33
Good
5.85μg/m³
PM2.5
21.25μg/m³
PM10
27.10ppb
O3
0.49ppb
SO2
11.06ppb
NO2
0.21ppm
CO
AQI 27
Good
5.06μg/m³
PM2.5
21.01μg/m³
PM10
22.95ppb
O3
0.49ppb
SO2
7.86ppb
NO2
0.22ppm
CO
AQI 38
Good
6.75μg/m³
PM2.5
30.23μg/m³
PM10
17.27ppb
O3
0.50ppb
SO2
8.45ppb
NO2
0.22ppm
CO
AQI 33
Good
5.66μg/m³
PM2.5
20.69μg/m³
PM10
28.50ppb
O3
0.50ppb
SO2
11.21ppb
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 01:00:00 on 2025-12-07.
In the last 24 hours, the best air quality in Streator, Illinois was observed at 02:00:00 on 2025-12-08.
As of now, the AQI in Streator, Illinois is 27, indicating Good 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 5.065 μg/m3.
The PM10 concentration in Streator, Illinois is 21.782 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Streator, Illinois is 0.187 ppm.
Currently, Streator, Illinois has a sulfur dioxide (SO2) concentration of 0.293 ppb.
The current ozone (O3) level in Streator, Illinois at the moment is 14.506 ppm.
Nitrogen dioxide (NO2) level in Streator, Illinois at the moment is 5.69 ppb.
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