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)
22
Good
Wallingford, Connecticut
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.37 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
9.81 μg/m³
0
55
155
255
425
605+
21.21 ppb
0
55
71
86
201
201+
0.52 ppb
0
36
76
186
605
1005+
5.92 ppb
0
54
101
361
1250
2050+
0.26 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Wallingford, Connecticut
Wallingford, Connecticut
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AQI 22
Good
4.24μg/m³
PM2.5
11.40μg/m³
PM10
24.38ppb
O3
0.53ppb
SO2
5.75ppb
NO2
0.29ppm
CO
AQI 22
Good
4.48μg/m³
PM2.5
9.40μg/m³
PM10
19.79ppb
O3
0.38ppb
SO2
6.71ppb
NO2
0.26ppm
CO
AQI 22
Good
4.19μg/m³
PM2.5
9.57μg/m³
PM10
20.07ppb
O3
0.45ppb
SO2
5.99ppb
NO2
0.28ppm
CO
AQI 22
Good
4.24μg/m³
PM2.5
11.40μg/m³
PM10
24.38ppb
O3
0.53ppb
SO2
5.75ppb
NO2
0.29ppm
CO
AQI 22
Good
4.32μg/m³
PM2.5
11.31μg/m³
PM10
24.32ppb
O3
0.52ppb
SO2
3.27ppb
NO2
0.25ppm
CO
AQI 22
Good
3.67μg/m³
PM2.5
20.30μg/m³
PM10
19.44ppb
O3
0.45ppb
SO2
6.54ppb
NO2
0.26ppm
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 04:00:00, 2026-11-12.
The best air quality in Wallingford, Connecticut was observed at 11:00:00 on 2026-11-12.
The air quality in Wallingford, Connecticut right now is Good, with an AQI of 22.
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 4.371 μg/m3.
Wallingford, Connecticut currently has a PM10 concentration of 9.806 μg/m3.
The current carbon monoxide (CO) level in Wallingford, Connecticut is 0.256 ppm.
The current sulfur dioxide (SO2) concentration in Wallingford, Connecticut is 0.52 ppb.
Wallingford, Connecticut currently has an ozone (O3) concentration of 21.21 ppm.
The current level of nitrogen dioxide (NO2) in Wallingford, Connecticut is 5.922 ppb.
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