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)
33
Good
Port Washington, Wisconsin
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
6.36 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
14.94 μg/m³
0
55
155
255
425
605+
19.07 ppb
0
55
71
86
201
201+
0.62 ppb
0
36
76
186
605
1005+
8.60 ppb
0
54
101
361
1250
2050+
0.34 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Port Washington, Wisconsin
Port Washington, Wisconsin
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AQI 21
Good
2.58μg/m³
PM2.5
17.37μg/m³
PM10
23.01ppb
O3
0.85ppb
SO2
4.03ppb
NO2
0.23ppm
CO
AQI 21
Good
2.70μg/m³
PM2.5
15.82μg/m³
PM10
23.06ppb
O3
0.84ppb
SO2
3.88ppb
NO2
0.24ppm
CO
AQI 21
Good
3.06μg/m³
PM2.5
14.20μg/m³
PM10
23.32ppb
O3
0.82ppb
SO2
3.82ppb
NO2
0.26ppm
CO
AQI 23
Good
2.63μg/m³
PM2.5
12.20μg/m³
PM10
25.13ppb
O3
0.88ppb
SO2
4.25ppb
NO2
0.20ppm
CO
AQI 22
Good
3.13μg/m³
PM2.5
13.66μg/m³
PM10
23.54ppb
O3
0.81ppb
SO2
3.41ppb
NO2
0.26ppm
CO
AQI 21
Good
2.94μg/m³
PM2.5
18.00μg/m³
PM10
22.57ppb
O3
0.84ppb
SO2
4.44ppb
NO2
0.23ppm
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, 2025-09-05.
The best air quality in Port Washington, Wisconsin was observed at 03:00:00 on 2025-09-05.
The air quality in Port Washington, Wisconsin right now is Good, with an AQI of 21.
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 2.506 μg/m3.
Port Washington, Wisconsin currently has a PM10 concentration of 15.558 μg/m3.
The current carbon monoxide (CO) level in Port Washington, Wisconsin is 0.233 ppm.
The current sulfur dioxide (SO2) concentration in Port Washington, Wisconsin is 0.853 ppb.
Port Washington, Wisconsin currently has an ozone (O3) concentration of 22.903 ppm.
The current level of nitrogen dioxide (NO2) in Port Washington, Wisconsin is 3.99 ppb.
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