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)
27
Good
Port Washington, Wisconsin
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.71 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
15.86 μg/m³
0
55
155
255
425
605+
28.05 ppb
0
55
71
86
201
201+
1.08 ppb
0
36
76
186
605
1005+
5.82 ppb
0
54
101
361
1250
2050+
0.21 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 33
Good
5.95μg/m³
PM2.5
26.04μg/m³
PM10
28.08ppb
O3
1.11ppb
SO2
6.03ppb
NO2
0.22ppm
CO
AQI 33
Good
5.95μg/m³
PM2.5
26.18μg/m³
PM10
28.30ppb
O3
1.10ppb
SO2
6.46ppb
NO2
0.21ppm
CO
AQI 33
Good
6.00μg/m³
PM2.5
22.60μg/m³
PM10
28.53ppb
O3
1.14ppb
SO2
7.32ppb
NO2
0.23ppm
CO
AQI 33
Good
5.71μg/m³
PM2.5
19.31μg/m³
PM10
27.56ppb
O3
1.04ppb
SO2
6.28ppb
NO2
0.18ppm
CO
AQI 27
Good
5.46μg/m³
PM2.5
19.05μg/m³
PM10
28.62ppb
O3
1.25ppb
SO2
5.17ppb
NO2
0.26ppm
CO
AQI 33
Good
6.02μg/m³
PM2.5
22.52μg/m³
PM10
28.79ppb
O3
1.09ppb
SO2
7.00ppb
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 06:00:00, 2026-01-25.
The best air quality in Port Washington, Wisconsin was observed at 10:00:00 on 2026-01-25.
The air quality in Port Washington, Wisconsin right now is Good, with an AQI of 27.
In Port Washington, Wisconsin, PM2.5 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 4.709 μg/m3.
Port Washington, Wisconsin currently has a PM10 concentration of 15.857 μg/m3.
The current carbon monoxide (CO) level in Port Washington, Wisconsin is 0.208 ppm.
The current sulfur dioxide (SO2) concentration in Port Washington, Wisconsin is 1.08 ppb.
Port Washington, Wisconsin currently has an ozone (O3) concentration of 28.05 ppm.
The current level of nitrogen dioxide (NO2) in Port Washington, Wisconsin is 5.818 ppb.
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