Stay updated with real-time air quality in Hobart, 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)
38
Good
Hobart, Wisconsin
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.71 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
10.66 μg/m³
0
55
155
255
425
605+
41.19 ppb
0
55
71
86
201
201+
0.22 ppb
0
36
76
186
605
1005+
2.60 ppb
0
54
101
361
1250
2050+
0.14 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Hobart, Wisconsin
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AQI 40
Good
2.34μg/m³
PM2.5
9.95μg/m³
PM10
42.74ppb
O3
0.21ppb
SO2
2.48ppb
NO2
0.14ppm
CO
AQI 40
Good
2.39μg/m³
PM2.5
9.87μg/m³
PM10
42.63ppb
O3
0.20ppb
SO2
2.48ppb
NO2
0.14ppm
CO
AQI 40
Good
2.38μg/m³
PM2.5
9.90μg/m³
PM10
42.67ppb
O3
0.20ppb
SO2
2.48ppb
NO2
0.14ppm
CO
AQI 40
Good
2.32μg/m³
PM2.5
9.97μg/m³
PM10
42.77ppb
O3
0.21ppb
SO2
2.48ppb
NO2
0.14ppm
CO
AQI 40
Good
2.31μg/m³
PM2.5
9.99μg/m³
PM10
42.80ppb
O3
0.21ppb
SO2
2.48ppb
NO2
0.14ppm
CO
AQI 40
Good
2.36μg/m³
PM2.5
9.95μg/m³
PM10
42.70ppb
O3
0.20ppb
SO2
2.48ppb
NO2
0.14ppm
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 Hobart, Wisconsin is updated every hour for accuracy.
In the past 24 hours, the air quality in Hobart, Wisconsin was at its worst at 12:00:00 on 2026-03-15.
In the last 24 hours, the best air quality in Hobart, Wisconsin was observed at 02:00:00 on 2026-03-14.
As of now, the AQI in Hobart, Wisconsin is 38, indicating Good conditions.
Hobart, Wisconsin air has the highest levels of O3.
Poor air quality in Hobart, Wisconsin means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Hobart, Wisconsin are currently 2.708 μg/m3.
The PM10 concentration in Hobart, Wisconsin is 10.663 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Hobart, Wisconsin is 0.139 ppm.
Currently, Hobart, Wisconsin has a sulfur dioxide (SO2) concentration of 0.221 ppb.
The current ozone (O3) level in Hobart, Wisconsin at the moment is 41.194 ppm.
Nitrogen dioxide (NO2) level in Hobart, Wisconsin at the moment is 2.605 ppb.
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