Stay updated with real-time air quality in Wilton, 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)
56
Moderate
Wilton, Connecticut
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
12.14 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
33.48 μg/m³
0
55
155
255
425
605+
20.37 ppb
0
55
71
86
201
201+
0.61 ppb
0
36
76
186
605
1005+
19.92 ppb
0
54
101
361
1250
2050+
0.32 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Wilton, Connecticut
Wilton, Connecticut
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AQI 133
Unhealthy for sensitive groups
14.32μg/m³
PM2.5
31.59μg/m³
PM10
79.85ppb
O3
0.96ppb
SO2
4.40ppb
NO2
0.29ppm
CO
AQI 62
Moderate
15.28μg/m³
PM2.5
36.91μg/m³
PM10
53.23ppb
O3
1.06ppb
SO2
3.87ppb
NO2
0.30ppm
CO
AQI 62
Moderate
15.32μg/m³
PM2.5
59.87μg/m³
PM10
52.84ppb
O3
1.05ppb
SO2
3.71ppb
NO2
0.29ppm
CO
AQI 150
Unhealthy for sensitive groups
14.33μg/m³
PM2.5
26.54μg/m³
PM10
85.18ppb
O3
0.97ppb
SO2
4.48ppb
NO2
0.29ppm
CO
AQI 143
Unhealthy for sensitive groups
14.36μg/m³
PM2.5
31.30μg/m³
PM10
82.52ppb
O3
0.99ppb
SO2
4.75ppb
NO2
0.29ppm
CO
AQI 60
Moderate
13.55μg/m³
PM2.5
40.91μg/m³
PM10
52.59ppb
O3
1.01ppb
SO2
3.73ppb
NO2
0.29ppm
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 Wilton, Connecticut are available every hour.
Wilton, Connecticut experienced its worst air quality at 08:00:00, 2025-07-24.
The best air quality in Wilton, Connecticut was observed at 02:00:00 on 2025-07-25.
The air quality in Wilton, Connecticut right now is Moderate, with an AQI of 62.
In Wilton, Connecticut, PM2.5 is the most frequently found pollutant.
When air quality in Wilton, Connecticut is compromised, staying indoors and wearing a mask can reduce health risks.
Wilton, Connecticut currently has a PM2.5 concentration of 15.31 μg/m3.
Wilton, Connecticut currently has a PM10 concentration of 31.172 μg/m3.
The current carbon monoxide (CO) level in Wilton, Connecticut is 0.292 ppm.
The current sulfur dioxide (SO2) concentration in Wilton, Connecticut is 1.015 ppb.
Wilton, Connecticut currently has an ozone (O3) concentration of 52.742 ppm.
The current level of nitrogen dioxide (NO2) in Wilton, Connecticut is 3.922 ppb.
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