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)
27
Good
Wethersfield, Connecticut
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.11 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
10.32 μg/m³
0
55
155
255
425
605+
26.39 ppb
0
55
71
86
201
201+
0.14 ppb
0
36
76
186
605
1005+
10.96 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 60
Moderate
14.45μg/m³
PM2.5
23.22μg/m³
PM10
4.03ppb
O3
0.26ppb
SO2
16.07ppb
NO2
0.62ppm
CO
AQI 52
Moderate
9.61μg/m³
PM2.5
39.44μg/m³
PM10
4.48ppb
O3
0.27ppb
SO2
16.93ppb
NO2
0.50ppm
CO
AQI 60
Moderate
14.16μg/m³
PM2.5
22.07μg/m³
PM10
5.08ppb
O3
0.26ppb
SO2
17.29ppb
NO2
0.69ppm
CO
AQI 62
Moderate
15.13μg/m³
PM2.5
23.14μg/m³
PM10
2.79ppb
O3
0.26ppb
SO2
13.94ppb
NO2
0.62ppm
CO
AQI 60
Moderate
14.38μg/m³
PM2.5
23.05μg/m³
PM10
4.29ppb
O3
0.26ppb
SO2
16.30ppb
NO2
0.65ppm
CO
AQI 60
Moderate
14.46μg/m³
PM2.5
24.75μg/m³
PM10
3.17ppb
O3
0.26ppb
SO2
14.45ppb
NO2
0.61ppm
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 09:00:00 on 2025-11-03.
The best air quality in Wethersfield, Connecticut was recorded at 04:00:00 on 2025-11-02.
The real-time air quality index in Wethersfield, Connecticut is 60, 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 14.085 μg/m3.
The current PM10 levels in Wethersfield, Connecticut are 21.643 μg/m3.
The current carbon monoxide (CO) level in Wethersfield, Connecticut is 0.559 ppm.
The current sulfur dioxide (SO2) levels in Wethersfield, Connecticut are 0.268 ppb.
The current ozone (O3) levels at Wethersfield, Connecticut is 3.274 ppm.
The current nitrogen dioxide (NO2) levels at Wethersfield, Connecticut is 15.277 ppb.
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