Stay updated with real-time air quality in Farmington, 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)
56
Moderate
Farmington, Connecticut
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
11.96 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
18.58 μg/m³
0
55
155
255
425
605+
35.24 ppb
0
55
71
86
201
201+
0.27 ppb
0
36
76
186
605
1005+
4.24 ppb
0
54
101
361
1250
2050+
0.16 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Farmington, Connecticut
Farmington, Connecticut
Scroll To Air Quality MapLoading...
AQI 56
Moderate
11.51μg/m³
PM2.5
23.25μg/m³
PM10
34.14ppb
O3
0.27ppb
SO2
4.11ppb
NO2
0.11ppm
CO
AQI 54
Moderate
11.31μg/m³
PM2.5
25.15μg/m³
PM10
34.27ppb
O3
0.27ppb
SO2
4.33ppb
NO2
0.13ppm
CO
AQI 54
Moderate
11.36μg/m³
PM2.5
23.58μg/m³
PM10
35.02ppb
O3
0.27ppb
SO2
3.93ppb
NO2
0.15ppm
CO
AQI 54
Moderate
11.11μg/m³
PM2.5
23.82μg/m³
PM10
32.46ppb
O3
0.27ppb
SO2
3.83ppb
NO2
0.14ppm
CO
AQI 54
Moderate
11.16μg/m³
PM2.5
29.12μg/m³
PM10
31.81ppb
O3
0.27ppb
SO2
4.04ppb
NO2
0.17ppm
CO
AQI 54
Moderate
11.43μg/m³
PM2.5
21.00μg/m³
PM10
34.72ppb
O3
0.27ppb
SO2
4.51ppb
NO2
0.10ppm
CO
Air quality measurements for Connecticut, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Farmington, Connecticut is updated on an hourly basis.
The worst air quality in Farmington, Connecticut was recorded at 03:00:00 on 2026-06-29.
The best air quality in Farmington, Connecticut was recorded at 02:00:00 on 2026-06-29.
The real-time air quality index in Farmington, Connecticut is 56, currently categorized as Moderate.
The most common pollutant in Farmington, Connecticut is PM2.5.
If the air quality in Farmington, Connecticut is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Farmington, Connecticut at present are 11.961 μg/m3.
The current PM10 levels in Farmington, Connecticut are 18.578 μg/m3.
The current carbon monoxide (CO) level in Farmington, Connecticut is 0.159 ppm.
The current sulfur dioxide (SO2) levels in Farmington, Connecticut are 0.271 ppb.
The current ozone (O3) levels at Farmington, Connecticut is 35.237 ppm.
The current nitrogen dioxide (NO2) levels at Farmington, Connecticut is 4.242 ppb.
All Rights Reserved © Ambee Inc. 2025