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)
35
Good
Port Washington, Wisconsin
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.36 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
9.09 μg/m³
0
55
155
255
425
605+
37.98 ppb
0
55
71
86
201
201+
0.31 ppb
0
36
76
186
605
1005+
6.75 ppb
0
54
101
361
1250
2050+
0.16 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 32
Good
2.42μg/m³
PM2.5
8.97μg/m³
PM10
34.73ppb
O3
0.26ppb
SO2
7.16ppb
NO2
0.21ppm
CO
AQI 31
Good
2.44μg/m³
PM2.5
9.80μg/m³
PM10
34.00ppb
O3
0.24ppb
SO2
6.59ppb
NO2
0.22ppm
CO
AQI 31
Good
2.54μg/m³
PM2.5
11.32μg/m³
PM10
32.79ppb
O3
0.18ppb
SO2
6.14ppb
NO2
0.24ppm
CO
AQI 31
Good
2.37μg/m³
PM2.5
9.12μg/m³
PM10
34.02ppb
O3
0.30ppb
SO2
7.02ppb
NO2
0.18ppm
CO
AQI 31
Good
2.55μg/m³
PM2.5
11.66μg/m³
PM10
32.79ppb
O3
0.16ppb
SO2
5.14ppb
NO2
0.24ppm
CO
AQI 32
Good
2.45μg/m³
PM2.5
9.59μg/m³
PM10
34.67ppb
O3
0.27ppb
SO2
7.62ppb
NO2
0.21ppm
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 04:00:00, 2026-06-15.
The best air quality in Port Washington, Wisconsin was observed at 07:00:00 on 2026-06-15.
The air quality in Port Washington, Wisconsin right now is Good, with an AQI of 35.
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 2.358 μg/m3.
Port Washington, Wisconsin currently has a PM10 concentration of 9.093 μg/m3.
The current carbon monoxide (CO) level in Port Washington, Wisconsin is 0.16 ppm.
The current sulfur dioxide (SO2) concentration in Port Washington, Wisconsin is 0.31 ppb.
Port Washington, Wisconsin currently has an ozone (O3) concentration of 37.976 ppm.
The current level of nitrogen dioxide (NO2) in Port Washington, Wisconsin is 6.745 ppb.
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