Stay updated with real-time air quality in Stratford, 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)
60
Moderate
Stratford, Connecticut
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
13.78 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
25.52 μg/m³
0
55
155
255
425
605+
13.38 ppb
0
55
71
86
201
201+
0.13 ppb
0
36
76
186
605
1005+
25.91 ppb
0
54
101
361
1250
2050+
0.41 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Stratford, Connecticut
Stratford, Connecticut
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AQI 60
Moderate
13.99μg/m³
PM2.5
22.13μg/m³
PM10
12.68ppb
O3
0.10ppb
SO2
26.60ppb
NO2
0.41ppm
CO
AQI 58
Moderate
13.16μg/m³
PM2.5
29.85μg/m³
PM10
12.02ppb
O3
0.22ppb
SO2
24.65ppb
NO2
0.39ppm
CO
AQI 60
Moderate
13.56μg/m³
PM2.5
25.54μg/m³
PM10
13.35ppb
O3
0.14ppb
SO2
25.71ppb
NO2
0.41ppm
CO
AQI 60
Moderate
13.81μg/m³
PM2.5
30.43μg/m³
PM10
13.05ppb
O3
0.15ppb
SO2
26.12ppb
NO2
0.42ppm
CO
AQI 56
Moderate
12.29μg/m³
PM2.5
51.07μg/m³
PM10
10.27ppb
O3
0.24ppb
SO2
21.45ppb
NO2
0.37ppm
CO
AQI 58
Moderate
12.99μg/m³
PM2.5
49.67μg/m³
PM10
9.53ppb
O3
0.24ppb
SO2
21.51ppb
NO2
0.39ppm
CO
Air quality data and pollutant measurements for Connecticut, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Stratford, Connecticut is updated every hour.
The worst air quality in Stratford, Connecticut in the last 24 hours was observed at 10:00:00 on 2025-12-28.
In the last 24 hrs, the best air quality in Stratford, Connecticut was observed at 12:00:00 on 2025-12-28.
The current air quality in Stratford, Connecticut is 60, categorized as Moderate based on real-time data.
The most common pollutant in Stratford, Connecticut is PM2.5.
If the air quality in Stratford, Connecticut is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Stratford, Connecticut is 13.775 μg/m3.
The current PM10 concentration at Stratford, Connecticut is 25.525 μg/m3.
The current carbon monoxide (CO) concentration at Stratford, Connecticut is 0.41 ppm.
The current sulfur dioxide (SO2) concentration at Stratford, Connecticut is 0.128 ppb.
The current ozone (O3) concentration at Stratford, Connecticut is 13.382 ppm.
The current nitrogen dioxide (NO2) concentration at Stratford, Connecticut is 25.91 ppb.
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