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)
25
Good
Ellington, Connecticut
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.31 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
7.65 μg/m³
0
55
155
255
425
605+
26.59 ppb
0
55
71
86
201
201+
0.21 ppb
0
36
76
186
605
1005+
3.56 ppb
0
54
101
361
1250
2050+
0.14 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Ellington, Connecticut
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AQI 22
Good
1.75μg/m³
PM2.5
8.10μg/m³
PM10
24.25ppb
O3
0.23ppb
SO2
3.39ppb
NO2
0.13ppm
CO
AQI 21
Good
2.48μg/m³
PM2.5
9.58μg/m³
PM10
22.76ppb
O3
0.23ppb
SO2
3.38ppb
NO2
0.13ppm
CO
AQI 22
Good
2.67μg/m³
PM2.5
9.51μg/m³
PM10
23.81ppb
O3
0.23ppb
SO2
3.39ppb
NO2
0.14ppm
CO
AQI 22
Good
2.67μg/m³
PM2.5
6.59μg/m³
PM10
23.80ppb
O3
0.23ppb
SO2
3.16ppb
NO2
0.13ppm
CO
AQI 25
Good
1.76μg/m³
PM2.5
6.42μg/m³
PM10
26.93ppb
O3
0.24ppb
SO2
3.06ppb
NO2
0.12ppm
CO
AQI 23
Good
2.65μg/m³
PM2.5
6.28μg/m³
PM10
25.07ppb
O3
0.23ppb
SO2
2.93ppb
NO2
0.11ppm
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 02:00:00 on 2026-02-11.
In the last 24 hours, the best air quality in Ellington, Connecticut was observed at 02:00:00 on 2026-02-12.
As of now, the AQI in Ellington, Connecticut is 22, 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 2.082 μg/m3.
The PM10 concentration in Ellington, Connecticut is 9.571 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Ellington, Connecticut is 0.137 ppm.
Currently, Ellington, Connecticut has a sulfur dioxide (SO2) concentration of 0.231 ppb.
The current ozone (O3) level in Ellington, Connecticut at the moment is 24.488 ppm.
Nitrogen dioxide (NO2) level in Ellington, Connecticut at the moment is 3.371 ppb.
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