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
6.69 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
13.92 μg/m³
0
55
155
255
425
605+
25.22 ppb
0
55
71
86
201
201+
0.18 ppb
0
36
76
186
605
1005+
4.81 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Wethersfield, Connecticut
Wethersfield, Connecticut
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AQI 38
Good
6.78μg/m³
PM2.5
14.23μg/m³
PM10
25.46ppb
O3
0.18ppb
SO2
5.39ppb
NO2
0.20ppm
CO
AQI 33
Good
6.01μg/m³
PM2.5
26.22μg/m³
PM10
26.19ppb
O3
0.18ppb
SO2
4.51ppb
NO2
0.20ppm
CO
AQI 38
Good
7.34μg/m³
PM2.5
14.85μg/m³
PM10
25.91ppb
O3
0.18ppb
SO2
6.87ppb
NO2
0.20ppm
CO
AQI 33
Good
6.33μg/m³
PM2.5
12.45μg/m³
PM10
24.55ppb
O3
0.18ppb
SO2
3.30ppb
NO2
0.20ppm
CO
AQI 38
Good
6.96μg/m³
PM2.5
14.54μg/m³
PM10
25.49ppb
O3
0.19ppb
SO2
5.64ppb
NO2
0.20ppm
CO
AQI 33
Good
6.41μg/m³
PM2.5
14.53μg/m³
PM10
25.39ppb
O3
0.18ppb
SO2
4.20ppb
NO2
0.20ppm
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 08:00:00 on 2026-08-13.
The best air quality in Wethersfield, Connecticut was recorded at 05:00:00 on 2026-08-14.
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 6.69 μg/m3.
The current PM10 levels in Wethersfield, Connecticut are 13.917 μg/m3.
The current carbon monoxide (CO) level in Wethersfield, Connecticut is 0.202 ppm.
The current sulfur dioxide (SO2) levels in Wethersfield, Connecticut are 0.182 ppb.
The current ozone (O3) levels at Wethersfield, Connecticut is 25.222 ppm.
The current nitrogen dioxide (NO2) levels at Wethersfield, Connecticut is 4.808 ppb.
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