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)
47
Good
Springfield, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.20 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
32.04 μg/m³
0
55
155
255
425
605+
51.01 ppb
0
55
71
86
201
201+
0.97 ppb
0
36
76
186
605
1005+
3.23 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Springfield, Illinois
Springfield, Illinois
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AQI 51
Moderate
7.55μg/m³
PM2.5
34.52μg/m³
PM10
54.94ppb
O3
1.18ppb
SO2
3.31ppb
NO2
0.18ppm
CO
AQI 51
Moderate
7.67μg/m³
PM2.5
36.61μg/m³
PM10
54.92ppb
O3
1.27ppb
SO2
3.90ppb
NO2
0.17ppm
CO
AQI 49
Good
8.08μg/m³
PM2.5
38.16μg/m³
PM10
52.77ppb
O3
0.92ppb
SO2
3.23ppb
NO2
0.17ppm
CO
AQI 47
Good
7.97μg/m³
PM2.5
33.58μg/m³
PM10
51.08ppb
O3
1.46ppb
SO2
3.03ppb
NO2
0.18ppm
CO
AQI 54
Moderate
7.49μg/m³
PM2.5
32.97μg/m³
PM10
56.03ppb
O3
0.89ppb
SO2
3.25ppb
NO2
0.15ppm
CO
AQI 47
Good
7.97μg/m³
PM2.5
39.99μg/m³
PM10
50.58ppb
O3
0.75ppb
SO2
3.11ppb
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 05:00:00, 2026-10-22.
The best air quality in Springfield, Illinois was observed at 06:00:00 on 2026-10-22.
The air quality in Springfield, Illinois right now is Good, with an AQI of 47.
In Springfield, Illinois, O3 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 7.204 μg/m3.
Springfield, Illinois currently has a PM10 concentration of 32.044 μg/m3.
The current carbon monoxide (CO) level in Springfield, Illinois is 0.176 ppm.
The current sulfur dioxide (SO2) concentration in Springfield, Illinois is 0.974 ppb.
Springfield, Illinois currently has an ozone (O3) concentration of 51.014 ppm.
The current level of nitrogen dioxide (NO2) in Springfield, Illinois is 3.235 ppb.
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