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)
38
Good
West Haven, Connecticut
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.35 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
7.85 μg/m³
0
55
155
255
425
605+
41.23 ppb
0
55
71
86
201
201+
0.11 ppb
0
36
76
186
605
1005+
2.90 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
West Haven, Connecticut
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AQI 39
Good
2.31μg/m³
PM2.5
7.16μg/m³
PM10
41.89ppb
O3
0.10ppb
SO2
2.99ppb
NO2
0.20ppm
CO
AQI 36
Good
2.79μg/m³
PM2.5
16.06μg/m³
PM10
39.07ppb
O3
0.15ppb
SO2
2.88ppb
NO2
0.18ppm
CO
AQI 39
Good
2.33μg/m³
PM2.5
7.38μg/m³
PM10
41.74ppb
O3
0.10ppb
SO2
2.98ppb
NO2
0.20ppm
CO
AQI 34
Good
2.53μg/m³
PM2.5
9.80μg/m³
PM10
36.61ppb
O3
0.17ppb
SO2
2.66ppb
NO2
0.18ppm
CO
AQI 38
Good
2.38μg/m³
PM2.5
7.89μg/m³
PM10
41.35ppb
O3
0.11ppb
SO2
2.94ppb
NO2
0.19ppm
CO
AQI 36
Good
2.79μg/m³
PM2.5
15.36μg/m³
PM10
38.62ppb
O3
0.14ppb
SO2
2.85ppb
NO2
0.18ppm
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, 2026-02-11.
The best air quality in West Haven, Connecticut was observed at 02:00:00 on 2026-02-12.
The air quality in West Haven, Connecticut right now is Good, with an AQI of 38.
In West Haven, Connecticut, O3 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 2.345 μg/m3.
West Haven, Connecticut currently has a PM10 concentration of 7.854 μg/m3.
The current carbon monoxide (CO) level in West Haven, Connecticut is 0.196 ppm.
The current sulfur dioxide (SO2) concentration in West Haven, Connecticut is 0.112 ppb.
West Haven, Connecticut currently has an ozone (O3) concentration of 41.231 ppm.
The current level of nitrogen dioxide (NO2) in West Haven, Connecticut is 2.902 ppb.
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