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)
38
Good
Bloomington, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.60 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
29.99 μg/m³
0
55
155
255
425
605+
30.98 ppb
0
55
71
86
201
201+
1.12 ppb
0
36
76
186
605
1005+
3.51 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Bloomington, Illinois
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AQI 27
Good
4.70μg/m³
PM2.5
21.00μg/m³
PM10
29.00ppb
O3
1.34ppb
SO2
3.94ppb
NO2
0.20ppm
CO
AQI 27
Good
5.35μg/m³
PM2.5
21.12μg/m³
PM10
29.25ppb
O3
1.62ppb
SO2
3.95ppb
NO2
0.19ppm
CO
AQI 29
Good
5.33μg/m³
PM2.5
21.02μg/m³
PM10
30.81ppb
O3
1.62ppb
SO2
3.95ppb
NO2
0.18ppm
CO
AQI 33
Good
5.72μg/m³
PM2.5
25.32μg/m³
PM10
34.22ppb
O3
0.69ppb
SO2
3.93ppb
NO2
0.20ppm
CO
AQI 28
Good
5.35μg/m³
PM2.5
22.84μg/m³
PM10
30.27ppb
O3
1.71ppb
SO2
3.95ppb
NO2
0.19ppm
CO
AQI 28
Good
4.88μg/m³
PM2.5
21.54μg/m³
PM10
29.61ppb
O3
0.63ppb
SO2
3.50ppb
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, 2026-03-15.
The best air quality in Bloomington, Illinois was observed at 01:00:00 on 2026-03-15.
The air quality in Bloomington, Illinois right now is Good, with an AQI of 38.
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 6.603 μg/m3.
Bloomington, Illinois currently has a PM10 concentration of 29.993 μg/m3.
The current carbon monoxide (CO) level in Bloomington, Illinois is 0.2 ppm.
The current sulfur dioxide (SO2) concentration in Bloomington, Illinois is 1.119 ppb.
Bloomington, Illinois currently has an ozone (O3) concentration of 30.979 ppm.
The current level of nitrogen dioxide (NO2) in Bloomington, Illinois is 3.514 ppb.
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