Real-time air quality index in DeForest, Wisconsin today
Stay updated with real-time air quality in DeForest, 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)
33
Good
DeForest, Wisconsin
Last updated: ... (Local time)
Common air pollutants in DeForest, Wisconsin
Good
Fine
Moderate
Poor
Very poor
Hazardous
Particulate Matter2.5 (PM2.5)
4.31 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
Particulate Matter10 (PM10)
15.85 μg/m³
0
55
155
255
425
605+
Ozone (O3)
36.29 ppb
0
55
71
86
201
201+
Sulfur Dioxide (SO2)
0.61 ppb
0
36
76
186
605
1005+
Nitrogen Dioxide (NO2)
4.36 ppb
0
54
101
361
1250
2050+
Carbon Monoxide (CO)
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
DeForest, Wisconsin
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DeForest, Wisconsin air quality map: Real-time AQI near you
Air quality in nearby cities
DeForest, Wisconsin
AQI 33
Good
4.31μg/m³
PM2.5
15.85μg/m³
PM10
36.29ppb
O3
0.61ppb
SO2
4.36ppb
NO2
0.20ppm
CO
Waunakee, Wisconsin
AQI 31
Good
4.15μg/m³
PM2.5
14.23μg/m³
PM10
34.27ppb
O3
0.63ppb
SO2
4.34ppb
NO2
0.20ppm
CO
Sun Prairie, Wisconsin
AQI 33
Good
4.22μg/m³
PM2.5
14.01μg/m³
PM10
36.37ppb
O3
0.60ppb
SO2
4.38ppb
NO2
0.19ppm
CO
Madison, Wisconsin
AQI 31
Good
4.05μg/m³
PM2.5
13.20μg/m³
PM10
34.43ppb
O3
0.63ppb
SO2
4.33ppb
NO2
0.20ppm
CO
Middleton, Wisconsin
AQI 31
Good
4.08μg/m³
PM2.5
12.54μg/m³
PM10
34.39ppb
O3
0.64ppb
SO2
4.33ppb
NO2
0.20ppm
CO
Fitchburg, Wisconsin
AQI 31
Good
4.11μg/m³
PM2.5
13.79μg/m³
PM10
34.46ppb
O3
0.63ppb
SO2
4.33ppb
NO2
0.20ppm
CO
How accurate is Wisconsin, USA air quality data?
Air quality measurements for Wisconsin, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Frequently asked questions
How frequently is the air quality data for Deforest, Wisconsin updated?
Air quality data for Deforest, Wisconsin is updated on an hourly basis.
When did Deforest, Wisconsin experience the worst air quality in the last 24 hours?
The worst air quality in Deforest, Wisconsin was recorded at 12:00:00 on 2026-03-09.
When did Deforest, Wisconsin have its best air quality in the last 24 hours?
The best air quality in Deforest, Wisconsin was recorded at 03:00:00 on 2026-03-09.
What is the real-time air quality index for Deforest, Wisconsin?
The real-time air quality index in Deforest, Wisconsin is 33, currently categorized as Good.
Which pollutant is found most often in Deforest, Wisconsin?
The most common pollutant in Deforest, Wisconsin is O3.
What can I do if the air quality in Deforest, Wisconsin is poor?
If the air quality in Deforest, Wisconsin is poor, limit outdoor activities and use a mask to safeguard your health.
What are the current PM2.5 levels in Deforest, Wisconsin?
The measured PM2.5 levels in Deforest, Wisconsin at present are 4.311 μg/m3.
What are the current PM10 levels at Deforest, Wisconsin?
The current PM10 levels in Deforest, Wisconsin are 15.848 μg/m3.
What are the current carbon monoxide (CO) levels at Deforest, Wisconsin?
The current carbon monoxide (CO) level in Deforest, Wisconsin is 0.195 ppm.
What are the current sulfur dioxide (SO2) levels at Deforest, Wisconsin?
The current sulfur dioxide (SO2) levels in Deforest, Wisconsin are 0.611 ppb.
What are the current ozone (O3) levels at Deforest, Wisconsin?
The current ozone (O3) levels at Deforest, Wisconsin is 36.293 ppm.
What are the current nitrogen dioxide (NO2) levels at Deforest, Wisconsin?
The current nitrogen dioxide (NO2) levels at Deforest, Wisconsin is 4.364 ppb.
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