Stay updated with real-time air quality in Stafford, 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)
27
Good
Stafford, Connecticut
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.30 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
22.78 μg/m³
0
55
155
255
425
605+
24.66 ppb
0
55
71
86
201
201+
0.21 ppb
0
36
76
186
605
1005+
2.86 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Stafford, Connecticut
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AQI 27
Good
5.48μg/m³
PM2.5
23.58μg/m³
PM10
24.63ppb
O3
0.20ppb
SO2
2.78ppb
NO2
0.20ppm
CO
AQI 33
Good
5.58μg/m³
PM2.5
24.45μg/m³
PM10
26.96ppb
O3
0.17ppb
SO2
3.09ppb
NO2
0.21ppm
CO
AQI 33
Good
5.76μg/m³
PM2.5
22.11μg/m³
PM10
24.76ppb
O3
0.20ppb
SO2
3.08ppb
NO2
0.20ppm
CO
AQI 33
Good
5.69μg/m³
PM2.5
24.21μg/m³
PM10
25.97ppb
O3
0.33ppb
SO2
2.49ppb
NO2
0.18ppm
CO
AQI 33
Good
5.73μg/m³
PM2.5
24.19μg/m³
PM10
24.10ppb
O3
0.29ppb
SO2
2.46ppb
NO2
0.19ppm
CO
AQI 27
Good
5.38μg/m³
PM2.5
15.26μg/m³
PM10
27.73ppb
O3
0.17ppb
SO2
3.54ppb
NO2
0.19ppm
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 Stafford, Connecticut is updated every hour for accuracy.
In the past 24 hours, the air quality in Stafford, Connecticut was at its worst at 07:00:00 on 2026-08-13.
In the last 24 hours, the best air quality in Stafford, Connecticut was observed at 05:00:00 on 2026-08-14.
As of now, the AQI in Stafford, Connecticut is 27, indicating Good conditions.
Stafford, Connecticut air has the highest levels of PM2.5.
Poor air quality in Stafford, Connecticut means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Stafford, Connecticut are currently 5.303 μg/m3.
The PM10 concentration in Stafford, Connecticut is 22.779 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Stafford, Connecticut is 0.204 ppm.
Currently, Stafford, Connecticut has a sulfur dioxide (SO2) concentration of 0.209 ppb.
The current ozone (O3) level in Stafford, Connecticut at the moment is 24.655 ppm.
Nitrogen dioxide (NO2) level in Stafford, Connecticut at the moment is 2.861 ppb.
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