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)
58
Moderate
Springfield, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
10.20 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
44.99 μg/m³
0
55
155
255
425
605+
56.95 ppb
0
55
71
86
201
201+
0.87 ppb
0
36
76
186
605
1005+
4.62 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Springfield, Illinois
Springfield, Illinois
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AQI 54
Moderate
11.10μg/m³
PM2.5
47.53μg/m³
PM10
50.10ppb
O3
0.50ppb
SO2
4.28ppb
NO2
0.20ppm
CO
AQI 54
Moderate
10.56μg/m³
PM2.5
46.42μg/m³
PM10
46.27ppb
O3
0.69ppb
SO2
4.25ppb
NO2
0.19ppm
CO
AQI 52
Moderate
10.42μg/m³
PM2.5
40.20μg/m³
PM10
48.55ppb
O3
0.58ppb
SO2
4.00ppb
NO2
0.18ppm
CO
AQI 52
Moderate
10.41μg/m³
PM2.5
44.73μg/m³
PM10
46.57ppb
O3
0.62ppb
SO2
4.16ppb
NO2
0.21ppm
CO
AQI 49
Good
7.65μg/m³
PM2.5
33.91μg/m³
PM10
53.19ppb
O3
0.18ppb
SO2
0.85ppb
NO2
0.15ppm
CO
AQI 54
Moderate
11.13μg/m³
PM2.5
46.05μg/m³
PM10
49.28ppb
O3
1.29ppb
SO2
3.78ppb
NO2
0.19ppm
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 07:00:00, 2026-04-23.
The best air quality in Springfield, Illinois was observed at 06:00:00 on 2026-04-23.
The air quality in Springfield, Illinois right now is Moderate, with an AQI of 54.
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 10.497 μg/m3.
Springfield, Illinois currently has a PM10 concentration of 46.975 μg/m3.
The current carbon monoxide (CO) level in Springfield, Illinois is 0.199 ppm.
The current sulfur dioxide (SO2) concentration in Springfield, Illinois is 0.495 ppb.
Springfield, Illinois currently has an ozone (O3) concentration of 55.966 ppm.
The current level of nitrogen dioxide (NO2) in Springfield, Illinois is 4.183 ppb.
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