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)
49
Good
Bloomington, Illinois
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
8.72 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
38.15 μg/m³
0
55
155
255
425
605+
38.95 ppb
0
55
71
86
201
201+
0.27 ppb
0
36
76
186
605
1005+
3.08 ppb
0
54
101
361
1250
2050+
0.19 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Bloomington, Illinois
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AQI 49
Good
8.72μg/m³
PM2.5
37.96μg/m³
PM10
38.92ppb
O3
0.27ppb
SO2
3.12ppb
NO2
0.19ppm
CO
AQI 33
Good
5.83μg/m³
PM2.5
25.46μg/m³
PM10
35.24ppb
O3
0.19ppb
SO2
3.00ppb
NO2
0.19ppm
CO
AQI 33
Good
5.92μg/m³
PM2.5
25.61μg/m³
PM10
35.33ppb
O3
0.20ppb
SO2
3.27ppb
NO2
0.19ppm
CO
AQI 35
Good
6.03μg/m³
PM2.5
26.73μg/m³
PM10
38.18ppb
O3
0.25ppb
SO2
2.47ppb
NO2
0.19ppm
CO
AQI 38
Good
7.01μg/m³
PM2.5
31.00μg/m³
PM10
31.80ppb
O3
0.17ppb
SO2
2.90ppb
NO2
0.19ppm
CO
AQI 36
Good
4.08μg/m³
PM2.5
17.41μg/m³
PM10
38.89ppb
O3
0.25ppb
SO2
3.24ppb
NO2
0.20ppm
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 02:00:00, 2025-06-04.
The best air quality in Bloomington, Illinois was observed at 11:00:00 on 2025-06-04.
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 8.72 μg/m3.
Bloomington, Illinois currently has a PM10 concentration of 38.154 μg/m3.
The current carbon monoxide (CO) level in Bloomington, Illinois is 0.194 ppm.
The current sulfur dioxide (SO2) concentration in Bloomington, Illinois is 0.274 ppb.
Bloomington, Illinois currently has an ozone (O3) concentration of 38.947 ppm.
The current level of nitrogen dioxide (NO2) in Bloomington, Illinois is 3.082 ppb.
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