Stay updated with real-time air quality in Springfield, 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)
44
Good
Springfield, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
8.01 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
35.01 μg/m³
0
55
155
255
425
605+
38.97 ppb
0
55
71
86
201
201+
0.63 ppb
0
36
76
186
605
1005+
4.36 ppb
0
54
101
361
1250
2050+
0.23 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Springfield, Illinois
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AQI 44
Good
8.11μg/m³
PM2.5
33.05μg/m³
PM10
32.89ppb
O3
0.56ppb
SO2
4.26ppb
NO2
0.21ppm
CO
AQI 44
Good
8.48μg/m³
PM2.5
33.66μg/m³
PM10
32.52ppb
O3
0.56ppb
SO2
4.24ppb
NO2
0.21ppm
CO
AQI 44
Good
7.67μg/m³
PM2.5
33.15μg/m³
PM10
36.01ppb
O3
0.61ppb
SO2
4.46ppb
NO2
0.21ppm
CO
AQI 52
Moderate
9.61μg/m³
PM2.5
42.97μg/m³
PM10
35.81ppb
O3
0.74ppb
SO2
4.26ppb
NO2
0.21ppm
CO
AQI 44
Good
8.28μg/m³
PM2.5
36.89μg/m³
PM10
25.12ppb
O3
0.52ppb
SO2
4.24ppb
NO2
0.21ppm
CO
AQI 33
Good
6.18μg/m³
PM2.5
26.76μg/m³
PM10
34.11ppb
O3
0.74ppb
SO2
4.31ppb
NO2
0.20ppm
CO
The air quality data for Illinois, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Springfield, Illinois are available every hour.
Springfield, Illinois experienced its worst air quality at 08:00:00, 2026-03-09.
The best air quality in Springfield, Illinois was observed at 03:00:00 on 2026-03-09.
The air quality in Springfield, Illinois right now is Good, with an AQI of 44.
In Springfield, Illinois, PM2.5 is the most frequently found pollutant.
When air quality in Springfield, Illinois is compromised, staying indoors and wearing a mask can reduce health risks.
Springfield, Illinois currently has a PM2.5 concentration of 8.005 μg/m3.
Springfield, Illinois currently has a PM10 concentration of 35.012 μg/m3.
The current carbon monoxide (CO) level in Springfield, Illinois is 0.23 ppm.
The current sulfur dioxide (SO2) concentration in Springfield, Illinois is 0.625 ppb.
Springfield, Illinois currently has an ozone (O3) concentration of 38.973 ppm.
The current level of nitrogen dioxide (NO2) in Springfield, Illinois is 4.362 ppb.
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