Stay updated with real-time air quality in West Haven, Connecticut 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)
64
Moderate
West Haven, Connecticut
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
16.18 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
22.84 μg/m³
0
55
155
255
425
605+
12.05 ppb
0
55
71
86
201
201+
0.46 ppb
0
36
76
186
605
1005+
33.34 ppb
0
54
101
361
1250
2050+
0.40 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
West Haven, Connecticut
West Haven, Connecticut
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AQI 60
Moderate
13.96μg/m³
PM2.5
19.12μg/m³
PM10
13.93ppb
O3
0.20ppb
SO2
29.39ppb
NO2
0.30ppm
CO
AQI 58
Moderate
12.59μg/m³
PM2.5
41.49μg/m³
PM10
7.68ppb
O3
0.23ppb
SO2
28.83ppb
NO2
0.37ppm
CO
AQI 60
Moderate
13.95μg/m³
PM2.5
19.93μg/m³
PM10
13.86ppb
O3
0.20ppb
SO2
29.26ppb
NO2
0.31ppm
CO
AQI 58
Moderate
12.96μg/m³
PM2.5
28.18μg/m³
PM10
8.51ppb
O3
0.21ppb
SO2
28.60ppb
NO2
0.39ppm
CO
AQI 60
Moderate
13.91μg/m³
PM2.5
21.60μg/m³
PM10
13.67ppb
O3
0.20ppb
SO2
28.94ppb
NO2
0.32ppm
CO
AQI 58
Moderate
13.01μg/m³
PM2.5
40.25μg/m³
PM10
10.31ppb
O3
0.23ppb
SO2
28.81ppb
NO2
0.38ppm
CO
The air quality data for Connecticut, 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 West Haven, Connecticut are available every hour.
West Haven, Connecticut experienced its worst air quality at 05:00:00, 2025-12-28.
The best air quality in West Haven, Connecticut was observed at 09:00:00 on 2025-12-28.
The air quality in West Haven, Connecticut right now is Moderate, with an AQI of 60.
In West Haven, Connecticut, PM2.5 is the most frequently found pollutant.
When air quality in West Haven, Connecticut is compromised, staying indoors and wearing a mask can reduce health risks.
West Haven, Connecticut currently has a PM2.5 concentration of 13.843 μg/m3.
West Haven, Connecticut currently has a PM10 concentration of 20.013 μg/m3.
The current carbon monoxide (CO) level in West Haven, Connecticut is 0.319 ppm.
The current sulfur dioxide (SO2) concentration in West Haven, Connecticut is 0.2 ppb.
West Haven, Connecticut currently has an ozone (O3) concentration of 13.466 ppm.
The current level of nitrogen dioxide (NO2) in West Haven, Connecticut is 28.821 ppb.
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