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)
18
Good
Richfield, Wisconsin
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
0.93 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
2.89 μg/m³
0
55
155
255
425
605+
18.83 ppb
0
55
71
86
201
201+
0.67 ppb
0
36
76
186
605
1005+
2.31 ppb
0
54
101
361
1250
2050+
0.12 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Richfield, Wisconsin
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AQI 19
Good
0.88μg/m³
PM2.5
2.68μg/m³
PM10
21.37ppb
O3
0.78ppb
SO2
1.96ppb
NO2
0.10ppm
CO
AQI 20
Good
0.86μg/m³
PM2.5
2.81μg/m³
PM10
21.76ppb
O3
0.85ppb
SO2
2.00ppb
NO2
0.10ppm
CO
AQI 20
Good
0.84μg/m³
PM2.5
2.92μg/m³
PM10
22.15ppb
O3
0.65ppb
SO2
1.99ppb
NO2
0.10ppm
CO
AQI 19
Good
0.89μg/m³
PM2.5
2.77μg/m³
PM10
20.77ppb
O3
0.87ppb
SO2
2.01ppb
NO2
0.10ppm
CO
AQI 19
Good
0.92μg/m³
PM2.5
2.82μg/m³
PM10
21.36ppb
O3
0.71ppb
SO2
1.94ppb
NO2
0.10ppm
CO
AQI 21
Good
0.84μg/m³
PM2.5
2.88μg/m³
PM10
22.52ppb
O3
0.95ppb
SO2
1.98ppb
NO2
0.10ppm
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 10:00:00 on 2025-10-21.
In the last 24 hours, the best air quality in Richfield, Wisconsin was observed at 05:00:00 on 2025-10-22.
As of now, the AQI in Richfield, Wisconsin is 18, indicating Good conditions.
Richfield, Wisconsin air has the highest levels of O3.
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 0.932 μg/m3.
The PM10 concentration in Richfield, Wisconsin is 2.891 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Richfield, Wisconsin is 0.119 ppm.
Currently, Richfield, Wisconsin has a sulfur dioxide (SO2) concentration of 0.671 ppb.
The current ozone (O3) level in Richfield, Wisconsin at the moment is 18.833 ppm.
Nitrogen dioxide (NO2) level in Richfield, Wisconsin at the moment is 2.311 ppb.
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