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)
38
Good
Wethersfield, Connecticut
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.66 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
17.91 μg/m³
0
55
155
255
425
605+
29.93 ppb
0
55
71
86
201
201+
0.22 ppb
0
36
76
186
605
1005+
16.38 ppb
0
54
101
361
1250
2050+
0.28 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Wethersfield, Connecticut
Wethersfield, Connecticut
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AQI 38
Good
6.91μg/m³
PM2.5
18.42μg/m³
PM10
36.20ppb
O3
0.23ppb
SO2
17.42ppb
NO2
0.28ppm
CO
AQI 33
Good
5.61μg/m³
PM2.5
12.64μg/m³
PM10
35.56ppb
O3
0.23ppb
SO2
14.56ppb
NO2
0.27ppm
CO
AQI 44
Good
8.23μg/m³
PM2.5
23.41μg/m³
PM10
34.52ppb
O3
0.22ppb
SO2
22.65ppb
NO2
0.30ppm
CO
AQI 34
Good
5.67μg/m³
PM2.5
14.26μg/m³
PM10
36.52ppb
O3
0.22ppb
SO2
12.59ppb
NO2
0.28ppm
CO
AQI 38
Good
7.26μg/m³
PM2.5
20.04μg/m³
PM10
35.27ppb
O3
0.22ppb
SO2
19.00ppb
NO2
0.29ppm
CO
AQI 35
Good
6.01μg/m³
PM2.5
15.39μg/m³
PM10
37.87ppb
O3
0.22ppb
SO2
14.22ppb
NO2
0.28ppm
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 10:00:00 on 2026-05-13.
The best air quality in Wethersfield, Connecticut was recorded at 01:00:00 on 2026-05-13.
The real-time air quality index in Wethersfield, Connecticut is 38, currently categorized as Good.
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 6.658 μg/m3.
The current PM10 levels in Wethersfield, Connecticut are 17.915 μg/m3.
The current carbon monoxide (CO) level in Wethersfield, Connecticut is 0.281 ppm.
The current sulfur dioxide (SO2) levels in Wethersfield, Connecticut are 0.222 ppb.
The current ozone (O3) levels at Wethersfield, Connecticut is 29.934 ppm.
The current nitrogen dioxide (NO2) levels at Wethersfield, Connecticut is 16.38 ppb.
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