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)
20
Good
Ellington, Connecticut
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
1.29 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
3.53 μg/m³
0
55
155
255
425
605+
22.35 ppb
0
55
71
86
201
201+
0.48 ppb
0
36
76
186
605
1005+
3.53 ppb
0
54
101
361
1250
2050+
0.27 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Ellington, Connecticut
Ellington, Connecticut
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AQI 21
Good
1.32μg/m³
PM2.5
3.55μg/m³
PM10
22.52ppb
O3
0.48ppb
SO2
3.42ppb
NO2
0.26ppm
CO
AQI 21
Good
1.07μg/m³
PM2.5
2.97μg/m³
PM10
22.94ppb
O3
0.50ppb
SO2
3.75ppb
NO2
0.27ppm
CO
AQI 21
Good
1.16μg/m³
PM2.5
2.19μg/m³
PM10
22.65ppb
O3
0.48ppb
SO2
3.64ppb
NO2
0.27ppm
CO
AQI 21
Good
1.09μg/m³
PM2.5
2.19μg/m³
PM10
23.46ppb
O3
0.49ppb
SO2
3.64ppb
NO2
0.27ppm
CO
AQI 20
Good
1.22μg/m³
PM2.5
3.27μg/m³
PM10
22.43ppb
O3
0.50ppb
SO2
3.56ppb
NO2
0.25ppm
CO
AQI 20
Good
1.09μg/m³
PM2.5
3.05μg/m³
PM10
22.12ppb
O3
0.49ppb
SO2
3.71ppb
NO2
0.28ppm
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 03:00:00 on 2026-09-28.
In the last 24 hours, the best air quality in Ellington, Connecticut was observed at 09:00:00 on 2026-09-28.
As of now, the AQI in Ellington, Connecticut is 20, 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 1.293 μg/m3.
The PM10 concentration in Ellington, Connecticut is 3.531 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Ellington, Connecticut is 0.267 ppm.
Currently, Ellington, Connecticut has a sulfur dioxide (SO2) concentration of 0.481 ppb.
The current ozone (O3) level in Ellington, Connecticut at the moment is 22.354 ppm.
Nitrogen dioxide (NO2) level in Ellington, Connecticut at the moment is 3.528 ppb.
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