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)
22
Good
Stratford, Connecticut
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.26 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
10.03 μg/m³
0
55
155
255
425
605+
21.91 ppb
0
55
71
86
201
201+
0.58 ppb
0
36
76
186
605
1005+
4.34 ppb
0
54
101
361
1250
2050+
0.29 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Stratford, Connecticut
Stratford, Connecticut
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AQI 22
Good
4.39μg/m³
PM2.5
9.04μg/m³
PM10
20.59ppb
O3
0.58ppb
SO2
4.33ppb
NO2
0.29ppm
CO
AQI 22
Good
4.13μg/m³
PM2.5
10.31μg/m³
PM10
18.81ppb
O3
0.56ppb
SO2
4.43ppb
NO2
0.29ppm
CO
AQI 22
Good
4.28μg/m³
PM2.5
9.85μg/m³
PM10
21.42ppb
O3
0.57ppb
SO2
4.87ppb
NO2
0.29ppm
CO
AQI 22
Good
4.09μg/m³
PM2.5
10.74μg/m³
PM10
21.54ppb
O3
0.58ppb
SO2
5.30ppb
NO2
0.29ppm
CO
AQI 22
Good
4.12μg/m³
PM2.5
10.67μg/m³
PM10
22.84ppb
O3
0.55ppb
SO2
4.18ppb
NO2
0.29ppm
CO
AQI 22
Good
4.12μg/m³
PM2.5
11.17μg/m³
PM10
21.25ppb
O3
0.55ppb
SO2
6.07ppb
NO2
0.28ppm
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 08:00:00 on 2026-11-12.
In the last 24 hrs, the best air quality in Stratford, Connecticut was observed at 11:00:00 on 2026-11-12.
The current air quality in Stratford, Connecticut is 22, categorized as Good 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 4.265 μg/m3.
The current PM10 concentration at Stratford, Connecticut is 10.025 μg/m3.
The current carbon monoxide (CO) concentration at Stratford, Connecticut is 0.294 ppm.
The current sulfur dioxide (SO2) concentration at Stratford, Connecticut is 0.581 ppb.
The current ozone (O3) concentration at Stratford, Connecticut is 21.912 ppm.
The current nitrogen dioxide (NO2) concentration at Stratford, Connecticut is 4.341 ppb.
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