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)
35
Good
Streator, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
0.65 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
2.63 μg/m³
0
55
155
255
425
605+
37.89 ppb
0
55
71
86
201
201+
0.56 ppb
0
36
76
186
605
1005+
1.89 ppb
0
54
101
361
1250
2050+
0.12 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Streator, Illinois
Streator, Illinois
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AQI 39
Good
1.49μg/m³
PM2.5
5.71μg/m³
PM10
42.47ppb
O3
0.60ppb
SO2
2.11ppb
NO2
0.12ppm
CO
AQI 39
Good
4.73μg/m³
PM2.5
20.00μg/m³
PM10
42.34ppb
O3
0.68ppb
SO2
3.17ppb
NO2
0.16ppm
CO
AQI 40
Good
4.97μg/m³
PM2.5
20.85μg/m³
PM10
42.98ppb
O3
0.76ppb
SO2
2.92ppb
NO2
0.15ppm
CO
AQI 40
Good
6.50μg/m³
PM2.5
28.66μg/m³
PM10
43.32ppb
O3
0.82ppb
SO2
3.01ppb
NO2
0.15ppm
CO
AQI 42
Good
6.05μg/m³
PM2.5
27.43μg/m³
PM10
44.91ppb
O3
0.90ppb
SO2
3.07ppb
NO2
0.15ppm
CO
AQI 39
Good
5.24μg/m³
PM2.5
20.26μg/m³
PM10
41.99ppb
O3
0.79ppb
SO2
2.92ppb
NO2
0.15ppm
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 2026-07-23.
In the last 24 hours, the best air quality in Streator, Illinois was observed at 12:00:00 on 2026-07-23.
As of now, the AQI in Streator, Illinois is 35, 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 0.649 μg/m3.
The PM10 concentration in Streator, Illinois is 2.631 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Streator, Illinois is 0.117 ppm.
Currently, Streator, Illinois has a sulfur dioxide (SO2) concentration of 0.565 ppb.
The current ozone (O3) level in Streator, Illinois at the moment is 37.893 ppm.
Nitrogen dioxide (NO2) level in Streator, Illinois at the moment is 1.894 ppb.
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