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)
33
Good
Streator, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.48 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
23.17 μg/m³
0
55
155
255
425
605+
35.53 ppb
0
55
71
86
201
201+
0.36 ppb
0
36
76
186
605
1005+
1.31 ppb
0
54
101
361
1250
2050+
0.14 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Streator, Illinois
Streator, Illinois
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AQI 44
Good
7.82μg/m³
PM2.5
34.00μg/m³
PM10
41.17ppb
O3
0.41ppb
SO2
0.74ppb
NO2
0.14ppm
CO
AQI 54
Moderate
3.90μg/m³
PM2.5
17.37μg/m³
PM10
56.49ppb
O3
0.33ppb
SO2
1.85ppb
NO2
0.12ppm
CO
AQI 47
Good
3.14μg/m³
PM2.5
12.73μg/m³
PM10
50.83ppb
O3
0.33ppb
SO2
1.63ppb
NO2
0.14ppm
CO
AQI 46
Good
3.20μg/m³
PM2.5
13.37μg/m³
PM10
49.70ppb
O3
0.34ppb
SO2
2.99ppb
NO2
0.14ppm
CO
AQI 48
Good
2.84μg/m³
PM2.5
11.57μg/m³
PM10
52.38ppb
O3
0.35ppb
SO2
3.05ppb
NO2
0.14ppm
CO
AQI 45
Good
3.61μg/m³
PM2.5
14.04μg/m³
PM10
49.47ppb
O3
0.32ppb
SO2
3.12ppb
NO2
0.14ppm
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 12:00:00 on 2026-06-11.
In the last 24 hours, the best air quality in Streator, Illinois was observed at 12:00:00 on 2026-06-11.
As of now, the AQI in Streator, Illinois is 44, 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 7.785 μg/m3.
The PM10 concentration in Streator, Illinois is 34.051 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Streator, Illinois is 0.139 ppm.
Currently, Streator, Illinois has a sulfur dioxide (SO2) concentration of 0.41 ppb.
The current ozone (O3) level in Streator, Illinois at the moment is 40.988 ppm.
Nitrogen dioxide (NO2) level in Streator, Illinois at the moment is 0.813 ppb.
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