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
3.51 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
11.43 μg/m³
0
55
155
255
425
605+
29.35 ppb
0
55
71
86
201
201+
0.23 ppb
0
36
76
186
605
1005+
4.38 ppb
0
54
101
361
1250
2050+
0.14 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Stafford, Connecticut
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AQI 29
Good
3.57μg/m³
PM2.5
11.63μg/m³
PM10
30.50ppb
O3
0.32ppb
SO2
3.07ppb
NO2
0.19ppm
CO
AQI 30
Good
3.77μg/m³
PM2.5
13.73μg/m³
PM10
32.07ppb
O3
0.38ppb
SO2
3.45ppb
NO2
0.19ppm
CO
AQI 28
Good
3.79μg/m³
PM2.5
11.42μg/m³
PM10
30.26ppb
O3
0.34ppb
SO2
3.46ppb
NO2
0.20ppm
CO
AQI 30
Good
3.56μg/m³
PM2.5
13.55μg/m³
PM10
31.96ppb
O3
0.27ppb
SO2
2.70ppb
NO2
0.20ppm
CO
AQI 28
Good
3.54μg/m³
PM2.5
13.76μg/m³
PM10
30.28ppb
O3
0.26ppb
SO2
2.37ppb
NO2
0.20ppm
CO
AQI 28
Good
3.93μg/m³
PM2.5
15.57μg/m³
PM10
30.05ppb
O3
0.35ppb
SO2
3.30ppb
NO2
0.20ppm
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 11:00:00 on 2026-08-16.
In the last 24 hours, the best air quality in Stafford, Connecticut was observed at 03:00:00 on 2026-08-17.
As of now, the AQI in Stafford, Connecticut is 28, indicating Good conditions.
Stafford, Connecticut air has the highest levels of O3.
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 3.557 μg/m3.
The PM10 concentration in Stafford, Connecticut is 11.381 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Stafford, Connecticut is 0.194 ppm.
Currently, Stafford, Connecticut has a sulfur dioxide (SO2) concentration of 0.313 ppb.
The current ozone (O3) level in Stafford, Connecticut at the moment is 30.447 ppm.
Nitrogen dioxide (NO2) level in Stafford, Connecticut at the moment is 3.082 ppb.
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