Stay updated with real-time air quality in Wallingford, 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)
105
Unhealthy for sensitive groups
Wallingford, Connecticut
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
17.27 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
53.97 μg/m³
0
55
155
255
425
605+
71.78 ppb
0
55
71
86
201
201+
0.45 ppb
0
36
76
186
605
1005+
9.88 ppb
0
54
101
361
1250
2050+
0.32 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Wallingford, Connecticut
Wallingford, Connecticut
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AQI 108
Unhealthy for sensitive groups
20.79μg/m³
PM2.5
40.17μg/m³
PM10
72.67ppb
O3
0.19ppb
SO2
14.72ppb
NO2
0.31ppm
CO
AQI 105
Unhealthy for sensitive groups
17.13μg/m³
PM2.5
47.32μg/m³
PM10
71.81ppb
O3
0.49ppb
SO2
9.93ppb
NO2
0.33ppm
CO
AQI 97
Moderate
17.25μg/m³
PM2.5
47.53μg/m³
PM10
69.38ppb
O3
0.45ppb
SO2
9.83ppb
NO2
0.31ppm
CO
AQI 108
Unhealthy for sensitive groups
20.73μg/m³
PM2.5
38.30μg/m³
PM10
73.11ppb
O3
0.20ppb
SO2
14.28ppb
NO2
0.32ppm
CO
AQI 100
Moderate
20.25μg/m³
PM2.5
39.90μg/m³
PM10
70.22ppb
O3
0.25ppb
SO2
12.75ppb
NO2
0.31ppm
CO
AQI 112
Unhealthy for sensitive groups
18.49μg/m³
PM2.5
50.59μg/m³
PM10
73.71ppb
O3
0.51ppb
SO2
10.01ppb
NO2
0.32ppm
CO
The air quality data for Connecticut, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Wallingford, Connecticut are available every hour.
Wallingford, Connecticut experienced its worst air quality at 10:00:00, 2025-06-05.
The best air quality in Wallingford, Connecticut was observed at 05:00:00 on 2025-06-06.
The air quality in Wallingford, Connecticut right now is Unhealthy for Sensitive Groups, with an AQI of 105.
In Wallingford, Connecticut, O3 is the most frequently found pollutant.
When air quality in Wallingford, Connecticut is compromised, staying indoors and wearing a mask can reduce health risks.
Wallingford, Connecticut currently has a PM2.5 concentration of 17.269 μg/m3.
Wallingford, Connecticut currently has a PM10 concentration of 53.97 μg/m3.
The current carbon monoxide (CO) level in Wallingford, Connecticut is 0.32 ppm.
The current sulfur dioxide (SO2) concentration in Wallingford, Connecticut is 0.454 ppb.
Wallingford, Connecticut currently has an ozone (O3) concentration of 71.778 ppm.
The current level of nitrogen dioxide (NO2) in Wallingford, Connecticut is 9.878 ppb.
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