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)
25
Good
Wethersfield, Connecticut
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.81 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
7.29 μg/m³
0
55
155
255
425
605+
27.20 ppb
0
55
71
86
201
201+
0.20 ppb
0
36
76
186
605
1005+
3.44 ppb
0
54
101
361
1250
2050+
0.11 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Wethersfield, Connecticut
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AQI 25
Good
3.29μg/m³
PM2.5
9.27μg/m³
PM10
27.03ppb
O3
0.23ppb
SO2
5.99ppb
NO2
0.11ppm
CO
AQI 25
Good
3.12μg/m³
PM2.5
15.61μg/m³
PM10
26.69ppb
O3
0.22ppb
SO2
5.80ppb
NO2
0.13ppm
CO
AQI 25
Good
3.22μg/m³
PM2.5
9.87μg/m³
PM10
27.15ppb
O3
0.23ppb
SO2
6.60ppb
NO2
0.10ppm
CO
AQI 25
Good
3.47μg/m³
PM2.5
7.78μg/m³
PM10
27.04ppb
O3
0.23ppb
SO2
4.96ppb
NO2
0.11ppm
CO
AQI 25
Good
3.27μg/m³
PM2.5
9.37μg/m³
PM10
27.08ppb
O3
0.23ppb
SO2
6.12ppb
NO2
0.10ppm
CO
AQI 25
Good
3.29μg/m³
PM2.5
8.34μg/m³
PM10
27.05ppb
O3
0.24ppb
SO2
5.23ppb
NO2
0.11ppm
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 04:00:00 on 2026-02-11.
The best air quality in Wethersfield, Connecticut was recorded at 12:00:00 on 2026-02-12.
The real-time air quality index in Wethersfield, Connecticut is 25, 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 2.812 μg/m3.
The current PM10 levels in Wethersfield, Connecticut are 7.289 μg/m3.
The current carbon monoxide (CO) level in Wethersfield, Connecticut is 0.106 ppm.
The current sulfur dioxide (SO2) levels in Wethersfield, Connecticut are 0.196 ppb.
The current ozone (O3) levels at Wethersfield, Connecticut is 27.205 ppm.
The current nitrogen dioxide (NO2) levels at Wethersfield, Connecticut is 3.435 ppb.
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