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

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.77 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
17.08 μg/m³
0
55
155
255
425
605+
29.27 ppb
0
55
71
86
201
201+
0.24 ppb
0
36
76
186
605
1005+
2.66 ppb
0
54
101
361
1250
2050+
0.24 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Richfield, Wisconsin
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AQI 33
Good
5.78μg/m³
PM2.5
24.24μg/m³
PM10
33.06ppb
O3
0.23ppb
SO2
2.70ppb
NO2
0.25ppm
CO
AQI 33
Good
5.60μg/m³
PM2.5
18.86μg/m³
PM10
32.52ppb
O3
0.22ppb
SO2
2.58ppb
NO2
0.25ppm
CO
AQI 33
Good
5.71μg/m³
PM2.5
19.70μg/m³
PM10
26.78ppb
O3
0.32ppb
SO2
2.67ppb
NO2
0.23ppm
CO
AQI 33
Good
5.67μg/m³
PM2.5
17.77μg/m³
PM10
32.64ppb
O3
0.21ppb
SO2
2.60ppb
NO2
0.25ppm
CO
AQI 33
Good
6.25μg/m³
PM2.5
21.60μg/m³
PM10
32.11ppb
O3
0.25ppb
SO2
2.72ppb
NO2
0.24ppm
CO
AQI 31
Good
5.24μg/m³
PM2.5
16.99μg/m³
PM10
33.72ppb
O3
0.16ppb
SO2
2.17ppb
NO2
0.27ppm
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 05:00:00 on 2026-08-16.
In the last 24 hours, the best air quality in Richfield, Wisconsin was observed at 04:00:00 on 2026-08-16.
As of now, the AQI in Richfield, Wisconsin is 33, 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 5.865 μg/m3.
The PM10 concentration in Richfield, Wisconsin is 18.941 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Richfield, Wisconsin is 0.242 ppm.
Currently, Richfield, Wisconsin has a sulfur dioxide (SO2) concentration of 0.246 ppb.
The current ozone (O3) level in Richfield, Wisconsin at the moment is 26.43 ppm.
Nitrogen dioxide (NO2) level in Richfield, Wisconsin at the moment is 3.16 ppb.
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