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)
23
Good
Franklin, Wisconsin
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.20 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
13.61 μg/m³
0
55
155
255
425
605+
24.59 ppb
0
55
71
86
201
201+
1.07 ppb
0
36
76
186
605
1005+
8.84 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
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AQI 22
Good
4.18μg/m³
PM2.5
13.67μg/m³
PM10
24.48ppb
O3
1.08ppb
SO2
8.97ppb
NO2
0.20ppm
CO
AQI 23
Good
4.18μg/m³
PM2.5
14.07μg/m³
PM10
24.54ppb
O3
1.08ppb
SO2
8.72ppb
NO2
0.20ppm
CO
AQI 22
Good
4.43μg/m³
PM2.5
9.86μg/m³
PM10
23.96ppb
O3
1.00ppb
SO2
7.72ppb
NO2
0.18ppm
CO
AQI 23
Good
4.39μg/m³
PM2.5
10.32μg/m³
PM10
24.74ppb
O3
1.04ppb
SO2
7.88ppb
NO2
0.19ppm
CO
AQI 27
Good
4.92μg/m³
PM2.5
15.75μg/m³
PM10
26.23ppb
O3
1.00ppb
SO2
8.11ppb
NO2
0.19ppm
CO
AQI 23
Good
4.21μg/m³
PM2.5
14.32μg/m³
PM10
24.61ppb
O3
1.08ppb
SO2
8.62ppb
NO2
0.20ppm
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 12:00:00 on 2026-01-25.
In the last 24 hours, the best air quality in Franklin, Wisconsin was observed at 12:00:00 on 2026-01-25.
As of now, the AQI in Franklin, Wisconsin is 23, indicating Good conditions.
Franklin, Wisconsin air has the highest levels of O3.
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 4.2 μg/m3.
The PM10 concentration in Franklin, Wisconsin is 13.607 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Franklin, Wisconsin is 0.196 ppm.
Currently, Franklin, Wisconsin has a sulfur dioxide (SO2) concentration of 1.075 ppb.
The current ozone (O3) level in Franklin, Wisconsin at the moment is 24.592 ppm.
Nitrogen dioxide (NO2) level in Franklin, Wisconsin at the moment is 8.842 ppb.
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