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)
54
Moderate
Franklin, Wisconsin
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
11.45 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
29.14 μg/m³
0
55
155
255
425
605+
23.97 ppb
0
55
71
86
201
201+
0.25 ppb
0
36
76
186
605
1005+
10.08 ppb
0
54
101
361
1250
2050+
0.30 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Franklin, Wisconsin
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AQI 56
Moderate
11.96μg/m³
PM2.5
25.11μg/m³
PM10
24.93ppb
O3
0.31ppb
SO2
9.88ppb
NO2
0.30ppm
CO
AQI 56
Moderate
12.05μg/m³
PM2.5
25.76μg/m³
PM10
24.27ppb
O3
0.31ppb
SO2
9.53ppb
NO2
0.30ppm
CO
AQI 56
Moderate
12.30μg/m³
PM2.5
24.45μg/m³
PM10
25.91ppb
O3
0.31ppb
SO2
8.87ppb
NO2
0.29ppm
CO
AQI 54
Moderate
11.42μg/m³
PM2.5
27.03μg/m³
PM10
23.34ppb
O3
0.36ppb
SO2
8.01ppb
NO2
0.29ppm
CO
AQI 54
Moderate
10.50μg/m³
PM2.5
22.24μg/m³
PM10
28.40ppb
O3
0.31ppb
SO2
7.40ppb
NO2
0.29ppm
CO
AQI 54
Moderate
11.30μg/m³
PM2.5
23.77μg/m³
PM10
25.54ppb
O3
0.31ppb
SO2
8.61ppb
NO2
0.30ppm
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 09:00:00 on 2026-08-13.
In the last 24 hours, the best air quality in Franklin, Wisconsin was observed at 05:00:00 on 2026-08-12.
As of now, the AQI in Franklin, Wisconsin is 54, 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 11.449 μg/m3.
The PM10 concentration in Franklin, Wisconsin is 29.145 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Franklin, Wisconsin is 0.298 ppm.
Currently, Franklin, Wisconsin has a sulfur dioxide (SO2) concentration of 0.25 ppb.
The current ozone (O3) level in Franklin, Wisconsin at the moment is 23.97 ppm.
Nitrogen dioxide (NO2) level in Franklin, Wisconsin at the moment is 10.079 ppb.
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