Stay updated with real-time air quality in Hartland, 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)
34
Good
Hartland, Wisconsin
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.03 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
10.74 μg/m³
0
55
155
255
425
605+
36.93 ppb
0
55
71
86
201
201+
0.62 ppb
0
36
76
186
605
1005+
3.89 ppb
0
54
101
361
1250
2050+
0.15 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Hartland, Wisconsin
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AQI 34
Good
3.07μg/m³
PM2.5
7.78μg/m³
PM10
36.74ppb
O3
0.58ppb
SO2
3.92ppb
NO2
0.16ppm
CO
AQI 33
Good
3.10μg/m³
PM2.5
6.23μg/m³
PM10
36.15ppb
O3
0.58ppb
SO2
4.00ppb
NO2
0.17ppm
CO
AQI 34
Good
3.10μg/m³
PM2.5
10.82μg/m³
PM10
37.10ppb
O3
0.64ppb
SO2
3.88ppb
NO2
0.14ppm
CO
AQI 33
Good
3.10μg/m³
PM2.5
6.06μg/m³
PM10
36.25ppb
O3
0.59ppb
SO2
4.00ppb
NO2
0.17ppm
CO
AQI 35
Good
3.07μg/m³
PM2.5
8.29μg/m³
PM10
37.60ppb
O3
0.57ppb
SO2
3.92ppb
NO2
0.15ppm
CO
AQI 33
Good
3.11μg/m³
PM2.5
7.19μg/m³
PM10
36.01ppb
O3
0.54ppb
SO2
4.01ppb
NO2
0.17ppm
CO
Air quality data and pollutant measurements for Wisconsin, 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 Hartland, Wisconsin is updated every hour.
The worst air quality in Hartland, Wisconsin in the last 24 hours was observed at 08:00:00 on 2026-03-12.
In the last 24 hrs, the best air quality in Hartland, Wisconsin was observed at 01:00:00 on 2026-03-12.
The current air quality in Hartland, Wisconsin is 34, categorized as Good based on real-time data.
The most common pollutant in Hartland, Wisconsin is O3.
If the air quality in Hartland, Wisconsin is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Hartland, Wisconsin is 3.032 μg/m3.
The current PM10 concentration at Hartland, Wisconsin is 10.738 μg/m3.
The current carbon monoxide (CO) concentration at Hartland, Wisconsin is 0.151 ppm.
The current sulfur dioxide (SO2) concentration at Hartland, Wisconsin is 0.624 ppb.
The current ozone (O3) concentration at Hartland, Wisconsin is 36.933 ppm.
The current nitrogen dioxide (NO2) concentration at Hartland, Wisconsin is 3.887 ppb.
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