Stay updated with real-time air quality in Franklin, 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)
64
Moderate
Franklin, Wisconsin
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
16.07 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
36.72 μg/m³
0
55
155
255
425
605+
37.83 ppb
0
55
71
86
201
201+
1.00 ppb
0
36
76
186
605
1005+
5.35 ppb
0
54
101
361
1250
2050+
0.29 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Franklin, Wisconsin
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AQI 62
Moderate
14.89μg/m³
PM2.5
35.21μg/m³
PM10
36.39ppb
O3
0.77ppb
SO2
6.34ppb
NO2
0.29ppm
CO
AQI 62
Moderate
14.82μg/m³
PM2.5
35.45μg/m³
PM10
36.33ppb
O3
0.77ppb
SO2
6.19ppb
NO2
0.29ppm
CO
AQI 58
Moderate
12.80μg/m³
PM2.5
53.39μg/m³
PM10
31.43ppb
O3
0.70ppb
SO2
4.13ppb
NO2
0.26ppm
CO
AQI 66
Moderate
17.13μg/m³
PM2.5
63.70μg/m³
PM10
30.38ppb
O3
0.72ppb
SO2
4.08ppb
NO2
0.27ppm
CO
AQI 64
Moderate
15.64μg/m³
PM2.5
43.38μg/m³
PM10
30.64ppb
O3
1.13ppb
SO2
7.04ppb
NO2
0.27ppm
CO
AQI 62
Moderate
14.96μg/m³
PM2.5
36.85μg/m³
PM10
36.71ppb
O3
0.81ppb
SO2
6.23ppb
NO2
0.29ppm
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 Franklin, Wisconsin is updated every hour for accuracy.
In the past 24 hours, the air quality in Franklin, Wisconsin was at its worst at 07:00:00 on 2026-10-22.
In the last 24 hours, the best air quality in Franklin, Wisconsin was observed at 10:00:00 on 2026-10-21.
As of now, the AQI in Franklin, Wisconsin is 64, indicating Moderate conditions.
Franklin, Wisconsin air has the highest levels of PM2.5.
Poor air quality in Franklin, Wisconsin means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Franklin, Wisconsin are currently 16.073 μg/m3.
The PM10 concentration in Franklin, Wisconsin is 36.716 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Franklin, Wisconsin is 0.29 ppm.
Currently, Franklin, Wisconsin has a sulfur dioxide (SO2) concentration of 0.996 ppb.
The current ozone (O3) level in Franklin, Wisconsin at the moment is 37.828 ppm.
Nitrogen dioxide (NO2) level in Franklin, Wisconsin at the moment is 5.35 ppb.
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