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)
25
Good
Stafford, Connecticut
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.28 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
10.77 μg/m³
0
55
155
255
425
605+
26.63 ppb
0
55
71
86
201
201+
0.24 ppb
0
36
76
186
605
1005+
3.57 ppb
0
54
101
361
1250
2050+
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Stafford, Connecticut
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AQI 22
Good
1.75μg/m³
PM2.5
8.10μg/m³
PM10
24.25ppb
O3
0.23ppb
SO2
3.39ppb
NO2
0.13ppm
CO
AQI 22
Good
2.67μg/m³
PM2.5
9.51μg/m³
PM10
23.81ppb
O3
0.23ppb
SO2
3.39ppb
NO2
0.14ppm
CO
AQI 22
Good
2.08μg/m³
PM2.5
9.57μg/m³
PM10
24.49ppb
O3
0.23ppb
SO2
3.37ppb
NO2
0.14ppm
CO
AQI 27
Good
1.76μg/m³
PM2.5
5.21μg/m³
PM10
28.74ppb
O3
0.25ppb
SO2
3.02ppb
NO2
0.14ppm
CO
AQI 26
Good
2.13μg/m³
PM2.5
8.29μg/m³
PM10
27.85ppb
O3
0.27ppb
SO2
3.23ppb
NO2
0.13ppm
CO
AQI 25
Good
1.76μg/m³
PM2.5
6.42μg/m³
PM10
26.93ppb
O3
0.24ppb
SO2
3.06ppb
NO2
0.12ppm
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 03:00:00 on 2026-02-11.
In the last 24 hours, the best air quality in Stafford, Connecticut was observed at 02:00:00 on 2026-02-12.
As of now, the AQI in Stafford, Connecticut is 25, 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 2.28 μg/m3.
The PM10 concentration in Stafford, Connecticut is 10.769 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Stafford, Connecticut is 0.166 ppm.
Currently, Stafford, Connecticut has a sulfur dioxide (SO2) concentration of 0.236 ppb.
The current ozone (O3) level in Stafford, Connecticut at the moment is 26.629 ppm.
Nitrogen dioxide (NO2) level in Stafford, Connecticut at the moment is 3.566 ppb.
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