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)
27
Good
Bloomington, Illinois
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
4.60 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.00 μg/m³
0
55
155
255
425
605+
23.03 ppb
0
55
71
86
201
201+
0.82 ppb
0
36
76
186
605
1005+
2.60 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Bloomington, Illinois
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AQI 64
Moderate
16.00μg/m³
PM2.5
71.00μg/m³
PM10
34.00ppb
O3
0.84ppb
SO2
3.22ppb
NO2
0.25ppm
CO
AQI 64
Moderate
16.16μg/m³
PM2.5
67.24μg/m³
PM10
33.47ppb
O3
0.60ppb
SO2
3.12ppb
NO2
0.26ppm
CO
AQI 64
Moderate
16.46μg/m³
PM2.5
56.01μg/m³
PM10
33.36ppb
O3
0.65ppb
SO2
3.09ppb
NO2
0.26ppm
CO
AQI 66
Moderate
17.23μg/m³
PM2.5
67.38μg/m³
PM10
31.49ppb
O3
0.75ppb
SO2
3.26ppb
NO2
0.26ppm
CO
AQI 64
Moderate
16.01μg/m³
PM2.5
71.52μg/m³
PM10
29.80ppb
O3
0.58ppb
SO2
3.06ppb
NO2
0.26ppm
CO
AQI 60
Moderate
14.10μg/m³
PM2.5
56.73μg/m³
PM10
29.21ppb
O3
0.76ppb
SO2
3.35ppb
NO2
0.24ppm
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 07:00:00, 2025-09-04.
The best air quality in Bloomington, Illinois was observed at 01:00:00 on 2025-09-04.
The air quality in Bloomington, Illinois right now is Moderate, with an AQI of 64.
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 16.012 μg/m3.
Bloomington, Illinois currently has a PM10 concentration of 71.06 μg/m3.
The current carbon monoxide (CO) level in Bloomington, Illinois is 0.253 ppm.
The current sulfur dioxide (SO2) concentration in Bloomington, Illinois is 0.84 ppb.
Bloomington, Illinois currently has an ozone (O3) concentration of 33.96 ppm.
The current level of nitrogen dioxide (NO2) in Bloomington, Illinois is 3.221 ppb.
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