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)
52
Moderate
Bloomington, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
9.52 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
43.03 μg/m³
0
55
155
255
425
605+
25.99 ppb
0
55
71
86
201
201+
0.39 ppb
0
36
76
186
605
1005+
5.50 ppb
0
54
101
361
1250
2050+
0.14 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Bloomington, Illinois
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AQI 49
Good
8.70μg/m³
PM2.5
38.01μg/m³
PM10
24.00ppb
O3
0.45ppb
SO2
4.56ppb
NO2
0.21ppm
CO
AQI 52
Moderate
9.81μg/m³
PM2.5
25.83μg/m³
PM10
23.09ppb
O3
0.44ppb
SO2
4.47ppb
NO2
0.17ppm
CO
AQI 49
Good
9.18μg/m³
PM2.5
23.23μg/m³
PM10
23.59ppb
O3
0.38ppb
SO2
4.45ppb
NO2
0.17ppm
CO
AQI 54
Moderate
10.76μg/m³
PM2.5
35.31μg/m³
PM10
24.65ppb
O3
0.56ppb
SO2
4.63ppb
NO2
0.21ppm
CO
AQI 52
Moderate
10.03μg/m³
PM2.5
38.76μg/m³
PM10
22.76ppb
O3
0.42ppb
SO2
3.83ppb
NO2
0.17ppm
CO
AQI 44
Good
8.15μg/m³
PM2.5
24.20μg/m³
PM10
30.90ppb
O3
0.38ppb
SO2
2.70ppb
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 10:00:00, 2026-06-08.
The best air quality in Bloomington, Illinois was observed at 08:00:00 on 2026-06-08.
The air quality in Bloomington, Illinois right now is Good, with an AQI of 49.
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 8.733 μg/m3.
Bloomington, Illinois currently has a PM10 concentration of 38.117 μg/m3.
The current carbon monoxide (CO) level in Bloomington, Illinois is 0.211 ppm.
The current sulfur dioxide (SO2) concentration in Bloomington, Illinois is 0.452 ppb.
Bloomington, Illinois currently has an ozone (O3) concentration of 24.002 ppm.
The current level of nitrogen dioxide (NO2) in Bloomington, Illinois is 4.55 ppb.
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