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)
28
Good
Farmington, Connecticut
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.90 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
18.14 μg/m³
0
55
155
255
425
605+
30.33 ppb
0
55
71
86
201
201+
0.17 ppb
0
36
76
186
605
1005+
3.11 ppb
0
54
101
361
1250
2050+
0.11 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Farmington, Connecticut
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AQI 27
Good
2.93μg/m³
PM2.5
5.53μg/m³
PM10
28.86ppb
O3
0.23ppb
SO2
3.23ppb
NO2
0.11ppm
CO
AQI 27
Good
2.94μg/m³
PM2.5
5.69μg/m³
PM10
28.64ppb
O3
0.23ppb
SO2
3.21ppb
NO2
0.11ppm
CO
AQI 26
Good
2.97μg/m³
PM2.5
11.06μg/m³
PM10
27.82ppb
O3
0.22ppb
SO2
3.62ppb
NO2
0.13ppm
CO
AQI 27
Good
3.05μg/m³
PM2.5
5.97μg/m³
PM10
28.83ppb
O3
0.22ppb
SO2
2.78ppb
NO2
0.13ppm
CO
AQI 26
Good
2.92μg/m³
PM2.5
11.06μg/m³
PM10
28.04ppb
O3
0.22ppb
SO2
3.54ppb
NO2
0.14ppm
CO
AQI 27
Good
2.83μg/m³
PM2.5
5.05μg/m³
PM10
29.42ppb
O3
0.23ppb
SO2
3.52ppb
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 2026-02-11.
The best air quality in Farmington, Connecticut was recorded at 02:00:00 on 2026-02-12.
The real-time air quality index in Farmington, Connecticut is 28, currently categorized as Good.
The most common pollutant in Farmington, Connecticut is O3.
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 2.895 μg/m3.
The current PM10 levels in Farmington, Connecticut are 18.142 μg/m3.
The current carbon monoxide (CO) level in Farmington, Connecticut is 0.113 ppm.
The current sulfur dioxide (SO2) levels in Farmington, Connecticut are 0.169 ppb.
The current ozone (O3) levels at Farmington, Connecticut is 30.326 ppm.
The current nitrogen dioxide (NO2) levels at Farmington, Connecticut is 3.112 ppb.
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