Stay updated with real-time air quality in Port Washington, 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)
16
Good
Port Washington, Wisconsin
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
1.79 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
6.59 μg/m³
0
55
155
255
425
605+
17.22 ppb
0
55
71
86
201
201+
0.94 ppb
0
36
76
186
605
1005+
8.81 ppb
0
54
101
361
1250
2050+
0.31 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Port Washington, Wisconsin
Port Washington, Wisconsin
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AQI 16
Good
1.34μg/m³
PM2.5
3.42μg/m³
PM10
16.85ppb
O3
0.93ppb
SO2
5.33ppb
NO2
0.30ppm
CO
AQI 16
Good
1.34μg/m³
PM2.5
3.36μg/m³
PM10
16.86ppb
O3
0.93ppb
SO2
5.54ppb
NO2
0.30ppm
CO
AQI 12
Good
1.35μg/m³
PM2.5
3.49μg/m³
PM10
12.85ppb
O3
0.94ppb
SO2
5.34ppb
NO2
0.30ppm
CO
AQI 16
Good
1.29μg/m³
PM2.5
3.05μg/m³
PM10
16.89ppb
O3
0.92ppb
SO2
5.95ppb
NO2
0.29ppm
CO
AQI 12
Good
1.44μg/m³
PM2.5
4.10μg/m³
PM10
13.27ppb
O3
0.98ppb
SO2
4.17ppb
NO2
0.30ppm
CO
AQI 12
Good
1.36μg/m³
PM2.5
3.25μg/m³
PM10
12.86ppb
O3
0.92ppb
SO2
5.40ppb
NO2
0.30ppm
CO
The air quality data for Wisconsin, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Port Washington, Wisconsin are available every hour.
Port Washington, Wisconsin experienced its worst air quality at 10:00:00, 2025-10-22.
The best air quality in Port Washington, Wisconsin was observed at 11:00:00 on 2025-10-23.
The air quality in Port Washington, Wisconsin right now is Good, with an AQI of 17.
In Port Washington, Wisconsin, O3 is the most frequently found pollutant.
When air quality in Port Washington, Wisconsin is compromised, staying indoors and wearing a mask can reduce health risks.
Port Washington, Wisconsin currently has a PM2.5 concentration of 1.268 μg/m3.
Port Washington, Wisconsin currently has a PM10 concentration of 4.347 μg/m3.
The current carbon monoxide (CO) level in Port Washington, Wisconsin is 0.299 ppm.
The current sulfur dioxide (SO2) concentration in Port Washington, Wisconsin is 0.964 ppb.
Port Washington, Wisconsin currently has an ozone (O3) concentration of 17.592 ppm.
The current level of nitrogen dioxide (NO2) in Port Washington, Wisconsin is 5.633 ppb.
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