Stay updated with real-time air quality in Richfield, 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)
27
Good
Richfield, Wisconsin
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.02 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.64 μg/m³
0
55
155
255
425
605+
27.83 ppb
0
55
71
86
201
201+
1.08 ppb
0
36
76
186
605
1005+
4.83 ppb
0
54
101
361
1250
2050+
0.15 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Richfield, Wisconsin
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AQI 27
Good
5.08μg/m³
PM2.5
24.50μg/m³
PM10
23.65ppb
O3
1.08ppb
SO2
4.98ppb
NO2
0.16ppm
CO
AQI 27
Good
5.07μg/m³
PM2.5
20.55μg/m³
PM10
23.68ppb
O3
1.13ppb
SO2
4.74ppb
NO2
0.16ppm
CO
AQI 28
Good
4.98μg/m³
PM2.5
17.14μg/m³
PM10
29.99ppb
O3
1.04ppb
SO2
4.70ppb
NO2
0.14ppm
CO
AQI 27
Good
5.11μg/m³
PM2.5
20.94μg/m³
PM10
23.64ppb
O3
1.14ppb
SO2
4.82ppb
NO2
0.16ppm
CO
AQI 27
Good
5.01μg/m³
PM2.5
21.43μg/m³
PM10
24.64ppb
O3
1.04ppb
SO2
4.87ppb
NO2
0.15ppm
CO
AQI 27
Good
5.12μg/m³
PM2.5
20.72μg/m³
PM10
23.63ppb
O3
1.19ppb
SO2
4.63ppb
NO2
0.17ppm
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 Richfield, Wisconsin is updated every hour for accuracy.
In the past 24 hours, the air quality in Richfield, Wisconsin was at its worst at 06:00:00 on 2026-01-22.
In the last 24 hours, the best air quality in Richfield, Wisconsin was observed at 11:00:00 on 2026-01-22.
As of now, the AQI in Richfield, Wisconsin is 27, indicating Good conditions.
Richfield, Wisconsin air has the highest levels of PM2.5.
Poor air quality in Richfield, Wisconsin means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Richfield, Wisconsin are currently 5.024 μg/m3.
The PM10 concentration in Richfield, Wisconsin is 20.644 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Richfield, Wisconsin is 0.151 ppm.
Currently, Richfield, Wisconsin has a sulfur dioxide (SO2) concentration of 1.08 ppb.
The current ozone (O3) level in Richfield, Wisconsin at the moment is 27.831 ppm.
Nitrogen dioxide (NO2) level in Richfield, Wisconsin at the moment is 4.834 ppb.
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