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)
33
Good
Farmington, Connecticut
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.02 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
26.54 μg/m³
0
55
155
255
425
605+
25.76 ppb
0
55
71
86
201
201+
0.18 ppb
0
36
76
186
605
1005+
4.68 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Farmington, Connecticut
Farmington, Connecticut
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AQI 44
Good
7.62μg/m³
PM2.5
15.44μg/m³
PM10
25.27ppb
O3
0.51ppb
SO2
7.42ppb
NO2
0.20ppm
CO
AQI 38
Good
7.43μg/m³
PM2.5
16.02μg/m³
PM10
25.32ppb
O3
0.49ppb
SO2
6.69ppb
NO2
0.20ppm
CO
AQI 33
Good
6.05μg/m³
PM2.5
15.04μg/m³
PM10
27.49ppb
O3
0.52ppb
SO2
5.03ppb
NO2
0.21ppm
CO
AQI 33
Good
6.50μg/m³
PM2.5
25.90μg/m³
PM10
26.07ppb
O3
0.53ppb
SO2
5.33ppb
NO2
0.21ppm
CO
AQI 38
Good
6.60μg/m³
PM2.5
22.37μg/m³
PM10
24.00ppb
O3
0.50ppb
SO2
4.67ppb
NO2
0.22ppm
CO
AQI 44
Good
7.95μg/m³
PM2.5
14.94μg/m³
PM10
25.71ppb
O3
0.52ppb
SO2
9.29ppb
NO2
0.20ppm
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 08:00:00 on 2026-08-13.
The best air quality in Farmington, Connecticut was recorded at 04:00:00 on 2026-08-14.
The real-time air quality index in Farmington, Connecticut is 33, currently categorized as Good.
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 6.016 μg/m3.
The current PM10 levels in Farmington, Connecticut are 26.541 μg/m3.
The current carbon monoxide (CO) level in Farmington, Connecticut is 0.205 ppm.
The current sulfur dioxide (SO2) levels in Farmington, Connecticut are 0.184 ppb.
The current ozone (O3) levels at Farmington, Connecticut is 25.762 ppm.
The current nitrogen dioxide (NO2) levels at Farmington, Connecticut is 4.679 ppb.
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