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)
26
Good
East Haven, Connecticut
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
1.44 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
7.53 μg/m³
0
55
155
255
425
605+
28.18 ppb
0
55
71
86
201
201+
0.34 ppb
0
36
76
186
605
1005+
8.02 ppb
0
54
101
361
1250
2050+
0.10 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 26
Good
4.02μg/m³
PM2.5
10.48μg/m³
PM10
27.70ppb
O3
0.54ppb
SO2
9.48ppb
NO2
0.11ppm
CO
AQI 25
Good
4.09μg/m³
PM2.5
10.00μg/m³
PM10
27.02ppb
O3
0.58ppb
SO2
10.34ppb
NO2
0.10ppm
CO
AQI 25
Good
4.09μg/m³
PM2.5
10.16μg/m³
PM10
27.18ppb
O3
0.61ppb
SO2
9.26ppb
NO2
0.11ppm
CO
AQI 27
Good
3.55μg/m³
PM2.5
13.86μg/m³
PM10
29.05ppb
O3
0.54ppb
SO2
9.46ppb
NO2
0.11ppm
CO
AQI 26
Good
3.86μg/m³
PM2.5
9.94μg/m³
PM10
28.05ppb
O3
0.57ppb
SO2
8.73ppb
NO2
0.11ppm
CO
AQI 26
Good
3.88μg/m³
PM2.5
9.93μg/m³
PM10
27.70ppb
O3
0.54ppb
SO2
9.16ppb
NO2
0.10ppm
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 07:00:00 on 2026-05-20.
In the last 24 hours, the best air quality in East Haven, Connecticut was observed at 04:00:00 on 2026-05-21.
As of now, the AQI in East Haven, Connecticut is 25, indicating Good conditions.
East Haven, Connecticut air has the highest levels of O3.
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 4.033 μg/m3.
The PM10 concentration in East Haven, Connecticut is 9.963 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in East Haven, Connecticut is 0.102 ppm.
Currently, East Haven, Connecticut has a sulfur dioxide (SO2) concentration of 0.567 ppb.
The current ozone (O3) level in East Haven, Connecticut at the moment is 27.187 ppm.
Nitrogen dioxide (NO2) level in East Haven, Connecticut at the moment is 10.047 ppb.
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