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)
35
Good
Ellington, Connecticut
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.46 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
14.21 μg/m³
0
55
155
255
425
605+
38.01 ppb
0
55
71
86
201
201+
0.21 ppb
0
36
76
186
605
1005+
11.32 ppb
0
54
101
361
1250
2050+
0.27 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Ellington, Connecticut
Ellington, Connecticut
Scroll To Air Quality MapLoading...
AQI 38
Good
4.30μg/m³
PM2.5
17.86μg/m³
PM10
40.66ppb
O3
0.23ppb
SO2
8.69ppb
NO2
0.23ppm
CO
AQI 34
Good
4.98μg/m³
PM2.5
17.63μg/m³
PM10
37.34ppb
O3
0.23ppb
SO2
9.51ppb
NO2
0.23ppm
CO
AQI 38
Good
4.94μg/m³
PM2.5
15.59μg/m³
PM10
41.45ppb
O3
0.25ppb
SO2
8.93ppb
NO2
0.25ppm
CO
AQI 34
Good
5.04μg/m³
PM2.5
17.70μg/m³
PM10
36.74ppb
O3
0.24ppb
SO2
9.28ppb
NO2
0.23ppm
CO
AQI 31
Good
4.87μg/m³
PM2.5
17.54μg/m³
PM10
34.38ppb
O3
0.20ppb
SO2
9.75ppb
NO2
0.19ppm
CO
AQI 36
Good
5.38μg/m³
PM2.5
15.60μg/m³
PM10
38.84ppb
O3
0.23ppb
SO2
10.56ppb
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 Ellington, Connecticut is updated every hour for accuracy.
In the past 24 hours, the air quality in Ellington, Connecticut was at its worst at 10:00:00 on 2026-05-13.
In the last 24 hours, the best air quality in Ellington, Connecticut was observed at 02:00:00 on 2026-05-13.
As of now, the AQI in Ellington, Connecticut is 35, 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 4.459 μg/m3.
The PM10 concentration in Ellington, Connecticut is 14.206 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Ellington, Connecticut is 0.266 ppm.
Currently, Ellington, Connecticut has a sulfur dioxide (SO2) concentration of 0.212 ppb.
The current ozone (O3) level in Ellington, Connecticut at the moment is 38.014 ppm.
Nitrogen dioxide (NO2) level in Ellington, Connecticut at the moment is 11.324 ppb.
All Rights Reserved © Ambee Inc. 2025