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)
33
Good
West Haven, Connecticut
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.00 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
21.11 μg/m³
0
55
155
255
425
605+
21.41 ppb
0
55
71
86
201
201+
0.20 ppb
0
36
76
186
605
1005+
10.61 ppb
0
54
101
361
1250
2050+
0.24 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
West Haven, Connecticut
West Haven, Connecticut
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AQI 64
Moderate
15.88μg/m³
PM2.5
25.93μg/m³
PM10
1.28ppb
O3
0.60ppb
SO2
22.33ppb
NO2
0.40ppm
CO
AQI 58
Moderate
13.41μg/m³
PM2.5
27.50μg/m³
PM10
16.84ppb
O3
0.55ppb
SO2
15.31ppb
NO2
0.50ppm
CO
AQI 64
Moderate
15.64μg/m³
PM2.5
25.81μg/m³
PM10
1.82ppb
O3
0.61ppb
SO2
21.93ppb
NO2
0.41ppm
CO
AQI 56
Moderate
12.36μg/m³
PM2.5
28.19μg/m³
PM10
13.02ppb
O3
0.56ppb
SO2
17.55ppb
NO2
0.54ppm
CO
AQI 62
Moderate
15.07μg/m³
PM2.5
25.61μg/m³
PM10
3.06ppb
O3
0.64ppb
SO2
20.91ppb
NO2
0.44ppm
CO
AQI 58
Moderate
13.32μg/m³
PM2.5
27.90μg/m³
PM10
20.05ppb
O3
0.54ppb
SO2
12.96ppb
NO2
0.52ppm
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 09:00:00, 2025-11-03.
The best air quality in West Haven, Connecticut was observed at 06:00:00 on 2025-11-02.
The air quality in West Haven, Connecticut right now is Moderate, with an AQI of 62.
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 15.31 μg/m3.
West Haven, Connecticut currently has a PM10 concentration of 25.696 μg/m3.
The current carbon monoxide (CO) level in West Haven, Connecticut is 0.43 ppm.
The current sulfur dioxide (SO2) concentration in West Haven, Connecticut is 0.631 ppb.
West Haven, Connecticut currently has an ozone (O3) concentration of 2.776 ppm.
The current level of nitrogen dioxide (NO2) in West Haven, Connecticut is 21.336 ppb.
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