Stay updated with real-time air quality in Ellington, 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)
44
Good
Ellington, Connecticut
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.87 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
16.14 μg/m³
0
55
155
255
425
605+
46.99 ppb
0
55
71
86
201
201+
0.26 ppb
0
36
76
186
605
1005+
5.13 ppb
0
54
101
361
1250
2050+
0.24 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Ellington, Connecticut
Scroll To Air Quality MapLoading...
AQI 42
Good
4.57μg/m³
PM2.5
16.39μg/m³
PM10
45.04ppb
O3
0.24ppb
SO2
5.00ppb
NO2
0.23ppm
CO
AQI 41
Good
4.81μg/m³
PM2.5
16.17μg/m³
PM10
44.49ppb
O3
0.23ppb
SO2
5.18ppb
NO2
0.25ppm
CO
AQI 42
Good
4.72μg/m³
PM2.5
16.18μg/m³
PM10
44.74ppb
O3
0.22ppb
SO2
5.16ppb
NO2
0.24ppm
CO
AQI 41
Good
4.89μg/m³
PM2.5
16.41μg/m³
PM10
44.27ppb
O3
0.22ppb
SO2
5.18ppb
NO2
0.25ppm
CO
AQI 42
Good
4.76μg/m³
PM2.5
17.42μg/m³
PM10
45.11ppb
O3
0.25ppb
SO2
5.17ppb
NO2
0.22ppm
CO
AQI 41
Good
4.97μg/m³
PM2.5
15.30μg/m³
PM10
44.37ppb
O3
0.27ppb
SO2
4.84ppb
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 Ellington, Connecticut is updated every hour for accuracy.
In the past 24 hours, the air quality in Ellington, Connecticut was at its worst at 08:00:00 on 2026-03-29.
In the last 24 hours, the best air quality in Ellington, Connecticut was observed at 01:00:00 on 2026-03-29.
As of now, the AQI in Ellington, Connecticut is 42, indicating Good conditions.
Ellington, Connecticut air has the highest levels of O3.
Poor air quality in Ellington, Connecticut means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Ellington, Connecticut are currently 4.685 μg/m3.
The PM10 concentration in Ellington, Connecticut is 16.346 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Ellington, Connecticut is 0.241 ppm.
Currently, Ellington, Connecticut has a sulfur dioxide (SO2) concentration of 0.249 ppb.
The current ozone (O3) level in Ellington, Connecticut at the moment is 44.849 ppm.
Nitrogen dioxide (NO2) level in Ellington, Connecticut at the moment is 5.158 ppb.
All Rights Reserved © Ambee Inc. 2025