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)
21
Good
Franklin, Wisconsin
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.17 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
8.91 μg/m³
0
55
155
255
425
605+
22.90 ppb
0
55
71
86
201
201+
1.05 ppb
0
36
76
186
605
1005+
5.19 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Franklin, Wisconsin
Scroll To Air Quality MapLoading...
AQI 16
Good
3.22μg/m³
PM2.5
8.41μg/m³
PM10
9.66ppb
O3
1.10ppb
SO2
15.64ppb
NO2
0.39ppm
CO
AQI 16
Good
3.27μg/m³
PM2.5
9.22μg/m³
PM10
9.66ppb
O3
1.10ppb
SO2
15.55ppb
NO2
0.39ppm
CO
AQI 16
Good
3.29μg/m³
PM2.5
12.68μg/m³
PM10
10.08ppb
O3
1.10ppb
SO2
14.64ppb
NO2
0.33ppm
CO
AQI 16
Good
3.49μg/m³
PM2.5
15.94μg/m³
PM10
11.11ppb
O3
1.10ppb
SO2
15.14ppb
NO2
0.35ppm
CO
AQI 16
Good
3.47μg/m³
PM2.5
15.70μg/m³
PM10
11.20ppb
O3
1.10ppb
SO2
15.13ppb
NO2
0.35ppm
CO
AQI 16
Good
3.23μg/m³
PM2.5
9.08μg/m³
PM10
9.60ppb
O3
1.10ppb
SO2
15.57ppb
NO2
0.38ppm
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 01:00:00 on 2025-10-24.
In the last 24 hours, the best air quality in Franklin, Wisconsin was observed at 04:00:00 on 2025-10-23.
As of now, the AQI in Franklin, Wisconsin is 16, indicating Good 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 3.244 μg/m3.
The PM10 concentration in Franklin, Wisconsin is 8.156 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Franklin, Wisconsin is 0.383 ppm.
Currently, Franklin, Wisconsin has a sulfur dioxide (SO2) concentration of 1.082 ppb.
The current ozone (O3) level in Franklin, Wisconsin at the moment is 5.975 ppm.
Nitrogen dioxide (NO2) level in Franklin, Wisconsin at the moment is 15.678 ppb.
All Rights Reserved © Ambee Inc. 2025