Stay updated with real-time air quality in Wethersfield, 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)
56
Moderate
Wethersfield, Connecticut
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
12.48 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
21.16 μg/m³
0
55
155
255
425
605+
40.66 ppb
0
55
71
86
201
201+
0.26 ppb
0
36
76
186
605
1005+
3.43 ppb
0
54
101
361
1250
2050+
0.12 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Wethersfield, Connecticut
Wethersfield, Connecticut
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AQI 54
Moderate
11.31μg/m³
PM2.5
25.15μg/m³
PM10
34.27ppb
O3
0.27ppb
SO2
4.33ppb
NO2
0.13ppm
CO
AQI 54
Moderate
11.42μg/m³
PM2.5
23.67μg/m³
PM10
34.99ppb
O3
0.27ppb
SO2
3.93ppb
NO2
0.14ppm
CO
AQI 54
Moderate
11.43μg/m³
PM2.5
21.00μg/m³
PM10
34.72ppb
O3
0.27ppb
SO2
4.51ppb
NO2
0.10ppm
CO
AQI 56
Moderate
11.87μg/m³
PM2.5
20.88μg/m³
PM10
33.39ppb
O3
0.26ppb
SO2
3.09ppb
NO2
0.12ppm
CO
AQI 56
Moderate
11.51μg/m³
PM2.5
23.25μg/m³
PM10
34.14ppb
O3
0.27ppb
SO2
4.11ppb
NO2
0.11ppm
CO
AQI 54
Moderate
11.19μg/m³
PM2.5
27.39μg/m³
PM10
33.47ppb
O3
0.27ppb
SO2
3.95ppb
NO2
0.13ppm
CO
Air quality measurements for Connecticut, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Wethersfield, Connecticut is updated on an hourly basis.
The worst air quality in Wethersfield, Connecticut was recorded at 03:00:00 on 2026-06-29.
The best air quality in Wethersfield, Connecticut was recorded at 11:00:00 on 2026-06-28.
The real-time air quality index in Wethersfield, Connecticut is 56, currently categorized as Moderate.
The most common pollutant in Wethersfield, Connecticut is PM2.5.
If the air quality in Wethersfield, Connecticut is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Wethersfield, Connecticut at present are 12.482 μg/m3.
The current PM10 levels in Wethersfield, Connecticut are 21.155 μg/m3.
The current carbon monoxide (CO) level in Wethersfield, Connecticut is 0.121 ppm.
The current sulfur dioxide (SO2) levels in Wethersfield, Connecticut are 0.259 ppb.
The current ozone (O3) levels at Wethersfield, Connecticut is 40.655 ppm.
The current nitrogen dioxide (NO2) levels at Wethersfield, Connecticut is 3.432 ppb.
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