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)
60
Moderate
Wilton, Connecticut
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
13.72 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
66.15 μg/m³
0
55
155
255
425
605+
10.07 ppb
0
55
71
86
201
201+
0.27 ppb
0
36
76
186
605
1005+
26.51 ppb
0
54
101
361
1250
2050+
0.40 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Wilton, Connecticut
Wilton, Connecticut
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AQI 58
Moderate
13.08μg/m³
PM2.5
39.37μg/m³
PM10
13.48ppb
O3
0.23ppb
SO2
25.20ppb
NO2
0.42ppm
CO
AQI 60
Moderate
13.79μg/m³
PM2.5
67.02μg/m³
PM10
10.35ppb
O3
0.33ppb
SO2
27.32ppb
NO2
0.41ppm
CO
AQI 58
Moderate
13.16μg/m³
PM2.5
54.55μg/m³
PM10
8.80ppb
O3
0.33ppb
SO2
27.34ppb
NO2
0.40ppm
CO
AQI 60
Moderate
13.80μg/m³
PM2.5
48.31μg/m³
PM10
12.95ppb
O3
0.22ppb
SO2
26.68ppb
NO2
0.43ppm
CO
AQI 58
Moderate
13.42μg/m³
PM2.5
44.19μg/m³
PM10
13.35ppb
O3
0.23ppb
SO2
26.02ppb
NO2
0.43ppm
CO
AQI 58
Moderate
12.84μg/m³
PM2.5
37.17μg/m³
PM10
9.57ppb
O3
0.28ppb
SO2
25.66ppb
NO2
0.42ppm
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 10:00:00, 2025-12-28.
The best air quality in Wilton, Connecticut was observed at 11:00:00 on 2025-12-27.
The air quality in Wilton, Connecticut right now is Moderate, with an AQI of 60.
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 13.717 μg/m3.
Wilton, Connecticut currently has a PM10 concentration of 66.147 μg/m3.
The current carbon monoxide (CO) level in Wilton, Connecticut is 0.398 ppm.
The current sulfur dioxide (SO2) concentration in Wilton, Connecticut is 0.272 ppb.
Wilton, Connecticut currently has an ozone (O3) concentration of 10.075 ppm.
The current level of nitrogen dioxide (NO2) in Wilton, Connecticut is 26.514 ppb.
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