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
5.97 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.38 μg/m³
0
55
155
255
425
605+
26.26 ppb
0
55
71
86
201
201+
0.20 ppb
0
36
76
186
605
1005+
8.62 ppb
0
54
101
361
1250
2050+
0.20 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 33
Good
5.82μg/m³
PM2.5
16.56μg/m³
PM10
26.32ppb
O3
0.50ppb
SO2
4.10ppb
NO2
0.21ppm
CO
AQI 33
Good
5.67μg/m³
PM2.5
15.95μg/m³
PM10
24.14ppb
O3
0.52ppb
SO2
4.02ppb
NO2
0.24ppm
CO
AQI 33
Good
5.76μg/m³
PM2.5
15.21μg/m³
PM10
24.76ppb
O3
0.52ppb
SO2
3.95ppb
NO2
0.24ppm
CO
AQI 33
Good
5.86μg/m³
PM2.5
15.19μg/m³
PM10
28.00ppb
O3
0.49ppb
SO2
4.18ppb
NO2
0.22ppm
CO
AQI 33
Good
5.74μg/m³
PM2.5
15.94μg/m³
PM10
24.06ppb
O3
0.50ppb
SO2
4.25ppb
NO2
0.21ppm
CO
AQI 33
Good
5.74μg/m³
PM2.5
15.94μg/m³
PM10
24.06ppb
O3
0.50ppb
SO2
4.25ppb
NO2
0.21ppm
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 2026-08-14.
In the last 24 hours, the best air quality in East Haven, Connecticut was observed at 04:00:00 on 2026-08-14.
As of now, the AQI in East Haven, Connecticut is 33, indicating Good 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 5.968 μg/m3.
The PM10 concentration in East Haven, Connecticut is 12.384 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in East Haven, Connecticut is 0.201 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 26.258 ppm.
Nitrogen dioxide (NO2) level in East Haven, Connecticut at the moment is 8.62 ppb.
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