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)
35
Good
Wethersfield, Connecticut
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.95 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
14.67 μg/m³
0
55
155
255
425
605+
38.23 ppb
0
55
71
86
201
201+
0.19 ppb
0
36
76
186
605
1005+
12.02 ppb
0
54
101
361
1250
2050+
0.38 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Wethersfield, Connecticut
Wethersfield, Connecticut
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AQI 42
Good
7.38μg/m³
PM2.5
13.48μg/m³
PM10
45.15ppb
O3
0.41ppb
SO2
6.68ppb
NO2
0.30ppm
CO
AQI 45
Good
7.15μg/m³
PM2.5
19.09μg/m³
PM10
48.79ppb
O3
0.39ppb
SO2
4.89ppb
NO2
0.29ppm
CO
AQI 44
Good
7.75μg/m³
PM2.5
12.95μg/m³
PM10
45.19ppb
O3
0.39ppb
SO2
9.62ppb
NO2
0.30ppm
CO
AQI 43
Good
7.03μg/m³
PM2.5
12.12μg/m³
PM10
45.71ppb
O3
0.40ppb
SO2
3.63ppb
NO2
0.30ppm
CO
AQI 42
Good
7.46μg/m³
PM2.5
13.19μg/m³
PM10
45.05ppb
O3
0.40ppb
SO2
7.41ppb
NO2
0.30ppm
CO
AQI 43
Good
7.21μg/m³
PM2.5
16.03μg/m³
PM10
45.77ppb
O3
0.42ppb
SO2
4.80ppb
NO2
0.30ppm
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 2026-08-07.
The best air quality in Wethersfield, Connecticut was recorded at 01:00:00 on 2026-08-08.
The real-time air quality index in Wethersfield, Connecticut is 44, currently categorized as Good.
The most common pollutant in Wethersfield, Connecticut is O3.
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 7.27 μg/m3.
The current PM10 levels in Wethersfield, Connecticut are 12.356 μg/m3.
The current carbon monoxide (CO) level in Wethersfield, Connecticut is 0.298 ppm.
The current sulfur dioxide (SO2) levels in Wethersfield, Connecticut are 0.222 ppb.
The current ozone (O3) levels at Wethersfield, Connecticut is 47.566 ppm.
The current nitrogen dioxide (NO2) levels at Wethersfield, Connecticut is 5.793 ppb.
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