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)
36
Good
Wallingford, Connecticut
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.74 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
9.63 μg/m³
0
55
155
255
425
605+
38.88 ppb
0
55
71
86
201
201+
0.15 ppb
0
36
76
186
605
1005+
3.47 ppb
0
54
101
361
1250
2050+
0.13 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Wallingford, Connecticut
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AQI 38
Good
2.46μg/m³
PM2.5
8.34μg/m³
PM10
41.30ppb
O3
0.12ppb
SO2
2.97ppb
NO2
0.19ppm
CO
AQI 35
Good
3.10μg/m³
PM2.5
10.11μg/m³
PM10
38.31ppb
O3
0.16ppb
SO2
2.85ppb
NO2
0.17ppm
CO
AQI 36
Good
2.59μg/m³
PM2.5
12.85μg/m³
PM10
38.71ppb
O3
0.15ppb
SO2
2.87ppb
NO2
0.17ppm
CO
AQI 38
Good
2.51μg/m³
PM2.5
9.05μg/m³
PM10
41.10ppb
O3
0.12ppb
SO2
2.96ppb
NO2
0.19ppm
CO
AQI 38
Good
2.96μg/m³
PM2.5
7.88μg/m³
PM10
40.73ppb
O3
0.16ppb
SO2
2.88ppb
NO2
0.18ppm
CO
AQI 36
Good
2.57μg/m³
PM2.5
12.77μg/m³
PM10
39.04ppb
O3
0.16ppb
SO2
2.85ppb
NO2
0.16ppm
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 09:00:00, 2026-02-11.
The best air quality in Wallingford, Connecticut was observed at 03:00:00 on 2026-02-12.
The air quality in Wallingford, Connecticut right now is Good, with an AQI of 36.
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 2.744 μg/m3.
Wallingford, Connecticut currently has a PM10 concentration of 9.626 μg/m3.
The current carbon monoxide (CO) level in Wallingford, Connecticut is 0.133 ppm.
The current sulfur dioxide (SO2) concentration in Wallingford, Connecticut is 0.15 ppb.
Wallingford, Connecticut currently has an ozone (O3) concentration of 38.877 ppm.
The current level of nitrogen dioxide (NO2) in Wallingford, Connecticut is 3.472 ppb.
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