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)
54
Moderate
East Haven, Connecticut
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
11.17 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
19.09 μg/m³
0
55
155
255
425
605+
19.23 ppb
0
55
71
86
201
201+
0.20 ppb
0
36
76
186
605
1005+
23.13 ppb
0
54
101
361
1250
2050+
0.31 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 54
Moderate
11.32μg/m³
PM2.5
21.04μg/m³
PM10
19.51ppb
O3
0.20ppb
SO2
23.48ppb
NO2
0.33ppm
CO
AQI 54
Moderate
11.11μg/m³
PM2.5
18.16μg/m³
PM10
19.05ppb
O3
0.20ppb
SO2
22.95ppb
NO2
0.30ppm
CO
AQI 54
Moderate
11.25μg/m³
PM2.5
19.33μg/m³
PM10
19.02ppb
O3
0.20ppb
SO2
23.24ppb
NO2
0.32ppm
CO
AQI 62
Moderate
14.52μg/m³
PM2.5
59.40μg/m³
PM10
13.85ppb
O3
0.23ppb
SO2
21.58ppb
NO2
0.36ppm
CO
AQI 54
Moderate
11.11μg/m³
PM2.5
21.12μg/m³
PM10
20.88ppb
O3
0.21ppb
SO2
24.24ppb
NO2
0.35ppm
CO
AQI 54
Moderate
11.24μg/m³
PM2.5
21.19μg/m³
PM10
20.21ppb
O3
0.21ppb
SO2
24.07ppb
NO2
0.34ppm
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 05:00:00 on 2025-12-28.
In the last 24 hours, the best air quality in East Haven, Connecticut was observed at 11:00:00 on 2025-12-27.
As of now, the AQI in East Haven, Connecticut is 54, 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 11.172 μg/m3.
The PM10 concentration in East Haven, Connecticut is 19.085 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in East Haven, Connecticut is 0.311 ppm.
Currently, East Haven, Connecticut has a sulfur dioxide (SO2) concentration of 0.201 ppb.
The current ozone (O3) level in East Haven, Connecticut at the moment is 19.23 ppm.
Nitrogen dioxide (NO2) level in East Haven, Connecticut at the moment is 23.128 ppb.
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