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

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.31 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
26.10 μg/m³
0
55
155
255
425
605+
21.03 ppb
0
55
71
86
201
201+
1.48 ppb
0
36
76
186
605
1005+
5.22 ppb
0
54
101
361
1250
2050+
0.16 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Bloomington, Illinois
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AQI 33
Good
6.30μg/m³
PM2.5
26.04μg/m³
PM10
21.00ppb
O3
1.49ppb
SO2
5.23ppb
NO2
0.16ppm
CO
AQI 38
Good
6.60μg/m³
PM2.5
29.48μg/m³
PM10
24.38ppb
O3
0.45ppb
SO2
5.11ppb
NO2
0.17ppm
CO
AQI 38
Good
6.56μg/m³
PM2.5
27.60μg/m³
PM10
24.11ppb
O3
1.35ppb
SO2
5.16ppb
NO2
0.17ppm
CO
AQI 33
Good
6.22μg/m³
PM2.5
23.19μg/m³
PM10
25.15ppb
O3
0.44ppb
SO2
4.48ppb
NO2
0.15ppm
CO
AQI 38
Good
6.61μg/m³
PM2.5
29.23μg/m³
PM10
21.96ppb
O3
0.42ppb
SO2
5.11ppb
NO2
0.17ppm
CO
AQI 33
Good
6.28μg/m³
PM2.5
26.07μg/m³
PM10
22.33ppb
O3
1.66ppb
SO2
4.80ppb
NO2
0.18ppm
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 Bloomington, Illinois are available every hour.
Bloomington, Illinois experienced its worst air quality at 01:00:00, 2026-09-06.
The best air quality in Bloomington, Illinois was observed at 10:00:00 on 2026-09-07.
The air quality in Bloomington, Illinois right now is Good, with an AQI of 33.
In Bloomington, Illinois, PM2.5 is the most frequently found pollutant.
When air quality in Bloomington, Illinois is compromised, staying indoors and wearing a mask can reduce health risks.
Bloomington, Illinois currently has a PM2.5 concentration of 6.311 μg/m3.
Bloomington, Illinois currently has a PM10 concentration of 26.102 μg/m3.
The current carbon monoxide (CO) level in Bloomington, Illinois is 0.156 ppm.
The current sulfur dioxide (SO2) concentration in Bloomington, Illinois is 1.482 ppb.
Bloomington, Illinois currently has an ozone (O3) concentration of 21.028 ppm.
The current level of nitrogen dioxide (NO2) in Bloomington, Illinois is 5.224 ppb.
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