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)
22
Good
Streator, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.62 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
10.80 μg/m³
0
55
155
255
425
605+
24.11 ppb
0
55
71
86
201
201+
0.84 ppb
0
36
76
186
605
1005+
3.18 ppb
0
54
101
361
1250
2050+
0.19 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Streator, Illinois
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AQI 22
Good
2.43μg/m³
PM2.5
9.94μg/m³
PM10
24.27ppb
O3
0.86ppb
SO2
3.31ppb
NO2
0.19ppm
CO
AQI 28
Good
2.77μg/m³
PM2.5
11.06μg/m³
PM10
29.53ppb
O3
0.41ppb
SO2
12.32ppb
NO2
0.21ppm
CO
AQI 23
Good
2.32μg/m³
PM2.5
9.03μg/m³
PM10
25.21ppb
O3
0.44ppb
SO2
12.69ppb
NO2
0.25ppm
CO
AQI 25
Good
2.33μg/m³
PM2.5
9.04μg/m³
PM10
27.19ppb
O3
0.45ppb
SO2
12.56ppb
NO2
0.25ppm
CO
AQI 23
Good
2.24μg/m³
PM2.5
9.64μg/m³
PM10
24.53ppb
O3
0.45ppb
SO2
13.38ppb
NO2
0.26ppm
CO
AQI 16
Good
2.47μg/m³
PM2.5
11.10μg/m³
PM10
17.25ppb
O3
0.44ppb
SO2
12.61ppb
NO2
0.25ppm
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 10:00:00 on 2026-03-13.
In the last 24 hours, the best air quality in Streator, Illinois was observed at 11:00:00 on 2026-03-14.
As of now, the AQI in Streator, Illinois is 22, indicating Good conditions.
Streator, Illinois air has the highest levels of O3.
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 2.62 μg/m3.
The PM10 concentration in Streator, Illinois is 10.798 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Streator, Illinois is 0.193 ppm.
Currently, Streator, Illinois has a sulfur dioxide (SO2) concentration of 0.836 ppb.
The current ozone (O3) level in Streator, Illinois at the moment is 24.108 ppm.
Nitrogen dioxide (NO2) level in Streator, Illinois at the moment is 3.178 ppb.
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