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)
71
Moderate
Bloomington, Indiana
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
19.61 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
86.84 μg/m³
0
55
155
255
425
605+
14.24 ppb
0
55
71
86
201
201+
0.43 ppb
0
36
76
186
605
1005+
9.90 ppb
0
54
101
361
1250
2050+
0.36 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Bloomington, Indiana
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AQI 67
Moderate
18.11μg/m³
PM2.5
37.89μg/m³
PM10
18.34ppb
O3
0.48ppb
SO2
10.18ppb
NO2
0.30ppm
CO
AQI 75
Moderate
22.23μg/m³
PM2.5
72.32μg/m³
PM10
12.98ppb
O3
0.80ppb
SO2
9.30ppb
NO2
0.31ppm
CO
AQI 67
Moderate
18.17μg/m³
PM2.5
59.23μg/m³
PM10
18.18ppb
O3
0.54ppb
SO2
15.57ppb
NO2
0.30ppm
CO
AQI 64
Moderate
15.84μg/m³
PM2.5
70.78μg/m³
PM10
17.34ppb
O3
0.58ppb
SO2
15.64ppb
NO2
0.30ppm
CO
AQI 67
Moderate
18.13μg/m³
PM2.5
51.65μg/m³
PM10
19.32ppb
O3
0.56ppb
SO2
17.98ppb
NO2
0.30ppm
CO
AQI 77
Moderate
23.43μg/m³
PM2.5
76.91μg/m³
PM10
10.24ppb
O3
0.57ppb
SO2
15.93ppb
NO2
0.31ppm
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 08:00:00 on 2025-12-07.
In the last 24 hrs, the best air quality in Bloomington, Indiana was observed at 12:00:00 on 2025-12-06.
The current air quality in Bloomington, Indiana is 71, categorized as Moderate 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 19.607 μg/m3.
The current PM10 concentration at Bloomington, Indiana is 86.842 μg/m3.
The current carbon monoxide (CO) concentration at Bloomington, Indiana is 0.356 ppm.
The current sulfur dioxide (SO2) concentration at Bloomington, Indiana is 0.43 ppb.
The current ozone (O3) concentration at Bloomington, Indiana is 14.24 ppm.
The current nitrogen dioxide (NO2) concentration at Bloomington, Indiana is 9.903 ppb.
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