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)
33
Good
Wallingford, Connecticut
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.93 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
11.11 μg/m³
0
55
155
255
425
605+
26.46 ppb
0
55
71
86
201
201+
0.19 ppb
0
36
76
186
605
1005+
5.39 ppb
0
54
101
361
1250
2050+
0.19 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Wallingford, Connecticut
Wallingford, Connecticut
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AQI 33
Good
6.07μg/m³
PM2.5
13.09μg/m³
PM10
26.46ppb
O3
0.20ppb
SO2
7.94ppb
NO2
0.20ppm
CO
AQI 33
Good
6.08μg/m³
PM2.5
11.17μg/m³
PM10
27.56ppb
O3
0.19ppb
SO2
5.15ppb
NO2
0.19ppm
CO
AQI 33
Good
6.08μg/m³
PM2.5
11.30μg/m³
PM10
24.66ppb
O3
0.24ppb
SO2
5.46ppb
NO2
0.19ppm
CO
AQI 33
Good
6.17μg/m³
PM2.5
13.36μg/m³
PM10
26.16ppb
O3
0.21ppb
SO2
7.76ppb
NO2
0.20ppm
CO
AQI 25
Good
4.18μg/m³
PM2.5
15.82μg/m³
PM10
27.13ppb
O3
0.19ppb
SO2
6.70ppb
NO2
0.19ppm
CO
AQI 38
Good
6.64μg/m³
PM2.5
17.58μg/m³
PM10
26.20ppb
O3
0.19ppb
SO2
4.95ppb
NO2
0.19ppm
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 03:00:00, 2026-08-14.
The best air quality in Wallingford, Connecticut was observed at 05:00:00 on 2026-08-14.
The air quality in Wallingford, Connecticut right now is Good, with an AQI of 33.
In Wallingford, Connecticut, PM2.5 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 5.933 μg/m3.
Wallingford, Connecticut currently has a PM10 concentration of 11.113 μg/m3.
The current carbon monoxide (CO) level in Wallingford, Connecticut is 0.193 ppm.
The current sulfur dioxide (SO2) concentration in Wallingford, Connecticut is 0.191 ppb.
Wallingford, Connecticut currently has an ozone (O3) concentration of 26.456 ppm.
The current level of nitrogen dioxide (NO2) in Wallingford, Connecticut is 5.392 ppb.
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