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
16.11 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
45.13 μg/m³
0
55
155
255
425
605+
24.00 ppb
0
55
71
86
201
201+
0.28 ppb
0
36
76
186
605
1005+
4.23 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 71
Moderate
20.30μg/m³
PM2.5
55.50μg/m³
PM10
22.88ppb
O3
0.28ppb
SO2
4.24ppb
NO2
0.29ppm
CO
AQI 73
Moderate
20.52μg/m³
PM2.5
61.55μg/m³
PM10
22.76ppb
O3
0.27ppb
SO2
4.01ppb
NO2
0.29ppm
CO
AQI 77
Moderate
22.70μg/m³
PM2.5
65.45μg/m³
PM10
22.84ppb
O3
0.49ppb
SO2
3.03ppb
NO2
0.27ppm
CO
AQI 75
Moderate
22.43μg/m³
PM2.5
64.71μg/m³
PM10
22.98ppb
O3
0.33ppb
SO2
3.05ppb
NO2
0.28ppm
CO
AQI 77
Moderate
22.66μg/m³
PM2.5
69.19μg/m³
PM10
24.28ppb
O3
0.38ppb
SO2
3.27ppb
NO2
0.28ppm
CO
AQI 73
Moderate
21.16μg/m³
PM2.5
62.37μg/m³
PM10
23.29ppb
O3
0.30ppb
SO2
3.69ppb
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 03:00:00 on 2026-08-23.
In the last 24 hours, the best air quality in Franklin, Wisconsin was observed at 09:00:00 on 2026-08-23.
As of now, the AQI in Franklin, Wisconsin is 71, 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 20.475 μg/m3.
The PM10 concentration in Franklin, Wisconsin is 55.439 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Franklin, Wisconsin is 0.293 ppm.
Currently, Franklin, Wisconsin has a sulfur dioxide (SO2) concentration of 0.292 ppb.
The current ozone (O3) level in Franklin, Wisconsin at the moment is 22.942 ppm.
Nitrogen dioxide (NO2) level in Franklin, Wisconsin at the moment is 4.099 ppb.
All Rights Reserved © Ambee Inc. 2025