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)
23
Good
East Haven, Connecticut
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.22 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
5.22 μg/m³
0
55
155
255
425
605+
25.09 ppb
0
55
71
86
201
201+
0.10 ppb
0
36
76
186
605
1005+
7.65 ppb
0
54
101
361
1250
2050+
0.10 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
East Haven, Connecticut
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AQI 21
Good
2.34μg/m³
PM2.5
5.73μg/m³
PM10
22.78ppb
O3
0.20ppb
SO2
6.23ppb
NO2
0.10ppm
CO
AQI 20
Good
2.31μg/m³
PM2.5
5.12μg/m³
PM10
22.13ppb
O3
0.20ppb
SO2
6.63ppb
NO2
0.10ppm
CO
AQI 21
Good
2.34μg/m³
PM2.5
5.70μg/m³
PM10
22.86ppb
O3
0.20ppb
SO2
6.26ppb
NO2
0.11ppm
CO
AQI 20
Good
2.44μg/m³
PM2.5
5.16μg/m³
PM10
22.38ppb
O3
0.20ppb
SO2
5.92ppb
NO2
0.12ppm
CO
AQI 21
Good
2.40μg/m³
PM2.5
6.52μg/m³
PM10
23.19ppb
O3
0.20ppb
SO2
5.88ppb
NO2
0.11ppm
CO
AQI 21
Good
2.38μg/m³
PM2.5
6.02μg/m³
PM10
22.88ppb
O3
0.20ppb
SO2
6.08ppb
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 04:00:00 on 2026-02-11.
In the last 24 hours, the best air quality in East Haven, Connecticut was observed at 02:00:00 on 2026-02-12.
As of now, the AQI in East Haven, Connecticut is 23, 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 2.219 μg/m3.
The PM10 concentration in East Haven, Connecticut is 5.222 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in East Haven, Connecticut is 0.101 ppm.
Currently, East Haven, Connecticut has a sulfur dioxide (SO2) concentration of 0.104 ppb.
The current ozone (O3) level in East Haven, Connecticut at the moment is 25.092 ppm.
Nitrogen dioxide (NO2) level in East Haven, Connecticut at the moment is 7.654 ppb.
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