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)
58
Moderate
East Haven, Connecticut
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
12.51 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
22.99 μg/m³
0
55
155
255
425
605+
48.44 ppb
0
55
71
86
201
201+
0.39 ppb
0
36
76
186
605
1005+
18.02 ppb
0
54
101
361
1250
2050+
0.29 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
East Haven, Connecticut
East Haven, Connecticut
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AQI 56
Moderate
11.51μg/m³
PM2.5
25.22μg/m³
PM10
40.34ppb
O3
0.31ppb
SO2
9.36ppb
NO2
0.27ppm
CO
AQI 56
Moderate
11.97μg/m³
PM2.5
20.36μg/m³
PM10
41.74ppb
O3
0.30ppb
SO2
10.33ppb
NO2
0.30ppm
CO
AQI 56
Moderate
11.78μg/m³
PM2.5
23.88μg/m³
PM10
40.22ppb
O3
0.32ppb
SO2
9.37ppb
NO2
0.28ppm
CO
AQI 56
Moderate
11.60μg/m³
PM2.5
22.19μg/m³
PM10
39.54ppb
O3
0.29ppb
SO2
7.82ppb
NO2
0.23ppm
CO
AQI 56
Moderate
11.66μg/m³
PM2.5
23.94μg/m³
PM10
39.27ppb
O3
0.30ppb
SO2
8.67ppb
NO2
0.27ppm
CO
AQI 56
Moderate
11.57μg/m³
PM2.5
23.70μg/m³
PM10
39.38ppb
O3
0.30ppb
SO2
9.08ppb
NO2
0.27ppm
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 11:00:00 on 2026-06-29.
In the last 24 hours, the best air quality in East Haven, Connecticut was observed at 07:00:00 on 2026-06-29.
As of now, the AQI in East Haven, Connecticut is 58, 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 12.51 μg/m3.
The PM10 concentration in East Haven, Connecticut is 22.988 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in East Haven, Connecticut is 0.29 ppm.
Currently, East Haven, Connecticut has a sulfur dioxide (SO2) concentration of 0.393 ppb.
The current ozone (O3) level in East Haven, Connecticut at the moment is 48.443 ppm.
Nitrogen dioxide (NO2) level in East Haven, Connecticut at the moment is 18.02 ppb.
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