Stay updated with real-time air quality in Baraboo, Wisconsin 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)
31
Good
Baraboo, Wisconsin
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.62 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
7.52 μg/m³
0
55
155
255
425
605+
33.55 ppb
0
55
71
86
201
201+
0.63 ppb
0
36
76
186
605
1005+
2.05 ppb
0
54
101
361
1250
2050+
0.14 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Baraboo, Wisconsin
Baraboo, Wisconsin
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AQI 35
Good
4.04μg/m³
PM2.5
13.20μg/m³
PM10
37.64ppb
O3
0.65ppb
SO2
2.40ppb
NO2
0.15ppm
CO
AQI 37
Good
4.18μg/m³
PM2.5
14.45μg/m³
PM10
39.64ppb
O3
0.62ppb
SO2
2.10ppb
NO2
0.13ppm
CO
AQI 37
Good
3.68μg/m³
PM2.5
12.04μg/m³
PM10
40.32ppb
O3
0.56ppb
SO2
2.12ppb
NO2
0.13ppm
CO
AQI 37
Good
3.97μg/m³
PM2.5
21.07μg/m³
PM10
39.86ppb
O3
0.60ppb
SO2
2.14ppb
NO2
0.13ppm
CO
AQI 37
Good
3.52μg/m³
PM2.5
9.17μg/m³
PM10
40.40ppb
O3
0.56ppb
SO2
2.11ppb
NO2
0.13ppm
CO
AQI 38
Good
3.56μg/m³
PM2.5
10.15μg/m³
PM10
40.59ppb
O3
0.56ppb
SO2
2.11ppb
NO2
0.13ppm
CO
Air quality and pollutant data for Wisconsin, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Baraboo, Wisconsin is updated every hour for accuracy.
In the past 24 hours, the air quality in Baraboo, Wisconsin was at its worst at 03:00:00 on 2026-07-23.
In the last 24 hours, the best air quality in Baraboo, Wisconsin was observed at 02:00:00 on 2026-07-23.
As of now, the AQI in Baraboo, Wisconsin is 31, indicating Good conditions.
Baraboo, Wisconsin air has the highest levels of O3.
Poor air quality in Baraboo, Wisconsin means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Baraboo, Wisconsin are currently 3.615 μg/m3.
The PM10 concentration in Baraboo, Wisconsin is 7.519 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Baraboo, Wisconsin is 0.141 ppm.
Currently, Baraboo, Wisconsin has a sulfur dioxide (SO2) concentration of 0.626 ppb.
The current ozone (O3) level in Baraboo, Wisconsin at the moment is 33.553 ppm.
Nitrogen dioxide (NO2) level in Baraboo, Wisconsin at the moment is 2.048 ppb.
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