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

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.00 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
21.97 μg/m³
0
55
155
255
425
605+
22.56 ppb
0
55
71
86
201
201+
0.51 ppb
0
36
76
186
605
1005+
8.59 ppb
0
54
101
361
1250
2050+
0.26 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Bloomington, Indiana
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AQI 27
Good
4.67μg/m³
PM2.5
14.79μg/m³
PM10
20.99ppb
O3
0.51ppb
SO2
8.74ppb
NO2
0.25ppm
CO
AQI 22
Good
4.37μg/m³
PM2.5
14.79μg/m³
PM10
20.32ppb
O3
0.49ppb
SO2
8.76ppb
NO2
0.27ppm
CO
AQI 29
Good
4.48μg/m³
PM2.5
14.76μg/m³
PM10
31.45ppb
O3
0.61ppb
SO2
6.34ppb
NO2
0.24ppm
CO
AQI 25
Good
4.25μg/m³
PM2.5
27.14μg/m³
PM10
23.78ppb
O3
0.59ppb
SO2
9.30ppb
NO2
0.25ppm
CO
AQI 28
Good
4.48μg/m³
PM2.5
14.73μg/m³
PM10
29.73ppb
O3
0.63ppb
SO2
5.92ppb
NO2
0.24ppm
CO
AQI 23
Good
4.15μg/m³
PM2.5
25.02μg/m³
PM10
15.88ppb
O3
0.53ppb
SO2
8.98ppb
NO2
0.26ppm
CO
Air quality data and pollutant measurements for Indiana, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Bloomington, Indiana is updated every hour.
The worst air quality in Bloomington, Indiana in the last 24 hours was observed at 04:00:00 on 2026-07-10.
In the last 24 hrs, the best air quality in Bloomington, Indiana was observed at 06:00:00 on 2026-07-11.
The current air quality in Bloomington, Indiana is 27, categorized as Good based on real-time data.
The most common pollutant in Bloomington, Indiana is PM2.5.
If the air quality in Bloomington, Indiana is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Bloomington, Indiana is 4.998 μg/m3.
The current PM10 concentration at Bloomington, Indiana is 21.967 μg/m3.
The current carbon monoxide (CO) concentration at Bloomington, Indiana is 0.26 ppm.
The current sulfur dioxide (SO2) concentration at Bloomington, Indiana is 0.507 ppb.
The current ozone (O3) concentration at Bloomington, Indiana is 22.564 ppm.
The current nitrogen dioxide (NO2) concentration at Bloomington, Indiana is 8.589 ppb.
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