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)
33
Good
Hartland, Wisconsin
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.80 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.93 μg/m³
0
55
155
255
425
605+
33.84 ppb
0
55
71
86
201
201+
0.30 ppb
0
36
76
186
605
1005+
4.95 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 33
Good
6.08μg/m³
PM2.5
13.18μg/m³
PM10
33.62ppb
O3
0.30ppb
SO2
4.64ppb
NO2
0.16ppm
CO
AQI 33
Good
6.11μg/m³
PM2.5
9.55μg/m³
PM10
34.11ppb
O3
0.31ppb
SO2
5.60ppb
NO2
0.17ppm
CO
AQI 33
Good
5.71μg/m³
PM2.5
19.16μg/m³
PM10
33.71ppb
O3
0.32ppb
SO2
4.78ppb
NO2
0.15ppm
CO
AQI 33
Good
6.10μg/m³
PM2.5
9.14μg/m³
PM10
34.03ppb
O3
0.31ppb
SO2
5.64ppb
NO2
0.17ppm
CO
AQI 33
Good
5.87μg/m³
PM2.5
13.42μg/m³
PM10
34.06ppb
O3
0.30ppb
SO2
4.31ppb
NO2
0.16ppm
CO
AQI 34
Good
6.05μg/m³
PM2.5
12.31μg/m³
PM10
36.63ppb
O3
0.31ppb
SO2
5.04ppb
NO2
0.18ppm
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 09:00:00 on 2026-06-07.
In the last 24 hrs, the best air quality in Hartland, Wisconsin was observed at 06:00:00 on 2026-06-08.
The current air quality in Hartland, Wisconsin is 33, categorized as Good based on real-time data.
The most common pollutant in Hartland, Wisconsin is PM2.5.
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 5.799 μg/m3.
The current PM10 concentration at Hartland, Wisconsin is 12.93 μg/m3.
The current carbon monoxide (CO) concentration at Hartland, Wisconsin is 0.155 ppm.
The current sulfur dioxide (SO2) concentration at Hartland, Wisconsin is 0.304 ppb.
The current ozone (O3) concentration at Hartland, Wisconsin is 33.845 ppm.
The current nitrogen dioxide (NO2) concentration at Hartland, Wisconsin is 4.948 ppb.
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