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)
45
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)
6.96 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
Particulate Matter10 (PM10)
23.91 μg/m³
0
55
155
255
425
605+
Ozone (O3)
49.18 ppb
0
55
71
86
201
201+
Sulfur Dioxide (SO2)
0.80 ppb
0
36
76
186
605
1005+
Nitrogen Dioxide (NO2)
1.84 ppb
0
54
101
361
1250
2050+
Carbon Monoxide (CO)
0.16 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
DeForest, Wisconsin
DeForest, Wisconsin
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DeForest, Wisconsin air quality map: Real-time AQI near you
Air quality in nearby cities
DeForest, Wisconsin
AQI 46
Good
5.26μg/m³
PM2.5
22.18μg/m³
PM10
49.70ppb
O3
1.34ppb
SO2
1.08ppb
NO2
0.15ppm
CO
Waunakee, Wisconsin
AQI 47
Good
4.90μg/m³
PM2.5
17.48μg/m³
PM10
50.66ppb
O3
1.35ppb
SO2
1.10ppb
NO2
0.15ppm
CO
Sun Prairie, Wisconsin
AQI 46
Good
5.30μg/m³
PM2.5
22.13μg/m³
PM10
50.47ppb
O3
1.30ppb
SO2
1.26ppb
NO2
0.15ppm
CO
Madison, Wisconsin
AQI 46
Good
4.88μg/m³
PM2.5
16.20μg/m³
PM10
50.22ppb
O3
1.35ppb
SO2
1.09ppb
NO2
0.15ppm
CO
Middleton, Wisconsin
AQI 46
Good
4.90μg/m³
PM2.5
15.51μg/m³
PM10
49.96ppb
O3
1.35ppb
SO2
1.09ppb
NO2
0.15ppm
CO
Fitchburg, Wisconsin
AQI 46
Good
4.89μg/m³
PM2.5
16.70μg/m³
PM10
50.41ppb
O3
1.35ppb
SO2
1.09ppb
NO2
0.15ppm
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 11:00:00 on 2026-04-22.
When did Deforest, Wisconsin have its best air quality in the last 24 hours?
The best air quality in Deforest, Wisconsin was recorded at 08:00:00 on 2026-04-23.
What is the real-time air quality index for Deforest, Wisconsin?
The real-time air quality index in Deforest, Wisconsin is 46, 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 5.257 μg/m3.
What are the current PM10 levels at Deforest, Wisconsin?
The current PM10 levels in Deforest, Wisconsin are 22.18 μg/m3.
What are the current carbon monoxide (CO) levels at Deforest, Wisconsin?
The current carbon monoxide (CO) level in Deforest, Wisconsin is 0.147 ppm.
What are the current sulfur dioxide (SO2) levels at Deforest, Wisconsin?
The current sulfur dioxide (SO2) levels in Deforest, Wisconsin are 1.34 ppb.
What are the current ozone (O3) levels at Deforest, Wisconsin?
The current ozone (O3) levels at Deforest, Wisconsin is 49.698 ppm.
What are the current nitrogen dioxide (NO2) levels at Deforest, Wisconsin?
The current nitrogen dioxide (NO2) levels at Deforest, Wisconsin is 1.08 ppb.
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