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

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.05 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
21.67 μg/m³
0
55
155
255
425
605+
20.57 ppb
0
55
71
86
201
201+
0.20 ppb
0
36
76
186
605
1005+
10.80 ppb
0
54
101
361
1250
2050+
0.24 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
East Haven, Connecticut
East Haven, Connecticut
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AQI 66
Moderate
16.89μg/m³
PM2.5
25.63μg/m³
PM10
3.73ppb
O3
0.38ppb
SO2
20.61ppb
NO2
0.14ppm
CO
AQI 69
Moderate
18.66μg/m³
PM2.5
27.71μg/m³
PM10
2.23ppb
O3
0.40ppb
SO2
21.76ppb
NO2
0.10ppm
CO
AQI 66
Moderate
17.39μg/m³
PM2.5
26.14μg/m³
PM10
3.70ppb
O3
0.38ppb
SO2
21.02ppb
NO2
0.13ppm
CO
AQI 49
Good
8.75μg/m³
PM2.5
32.79μg/m³
PM10
13.37ppb
O3
0.35ppb
SO2
22.84ppb
NO2
0.24ppm
CO
AQI 66
Moderate
16.77μg/m³
PM2.5
25.12μg/m³
PM10
3.11ppb
O3
0.36ppb
SO2
20.60ppb
NO2
0.18ppm
CO
AQI 66
Moderate
17.02μg/m³
PM2.5
25.57μg/m³
PM10
3.06ppb
O3
0.37ppb
SO2
20.95ppb
NO2
0.16ppm
CO
Air quality and pollutant data for Connecticut, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for East Haven, Connecticut is updated every hour for accuracy.
In the past 24 hours, the air quality in East Haven, Connecticut was at its worst at 09:00:00 on 2025-11-03.
In the last 24 hours, the best air quality in East Haven, Connecticut was observed at 06:00:00 on 2025-11-02.
As of now, the AQI in East Haven, Connecticut is 62, indicating Moderate conditions.
East Haven, Connecticut air has the highest levels of PM2.5.
Poor air quality in East Haven, Connecticut means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in East Haven, Connecticut are currently 15.422 μg/m3.
The PM10 concentration in East Haven, Connecticut is 22.373 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in East Haven, Connecticut is 0.117 ppm.
Currently, East Haven, Connecticut has a sulfur dioxide (SO2) concentration of 0.403 ppb.
The current ozone (O3) level in East Haven, Connecticut at the moment is 4.551 ppm.
Nitrogen dioxide (NO2) level in East Haven, Connecticut at the moment is 20.838 ppb.
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