Stay updated with real-time air quality in New Canaan, 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)
62
Moderate
New Canaan, Connecticut
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
14.78 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
76.64 μg/m³
0
55
155
255
425
605+
57.84 ppb
0
55
71
86
201
201+
0.48 ppb
0
36
76
186
605
1005+
13.74 ppb
0
54
101
361
1250
2050+
0.38 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
New Canaan, Connecticut
New Canaan, Connecticut
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AQI 90
Moderate
16.95μg/m³
PM2.5
71.14μg/m³
PM10
67.07ppb
O3
0.56ppb
SO2
12.21ppb
NO2
0.40ppm
CO
AQI 105
Unhealthy for sensitive groups
15.03μg/m³
PM2.5
48.78μg/m³
PM10
72.12ppb
O3
0.55ppb
SO2
14.18ppb
NO2
0.41ppm
CO
AQI 119
Unhealthy for sensitive groups
17.60μg/m³
PM2.5
61.79μg/m³
PM10
75.84ppb
O3
0.46ppb
SO2
4.52ppb
NO2
0.39ppm
CO
AQI 80
Moderate
18.05μg/m³
PM2.5
69.47μg/m³
PM10
64.26ppb
O3
0.62ppb
SO2
15.25ppb
NO2
0.40ppm
CO
AQI 101
Unhealthy for sensitive groups
16.95μg/m³
PM2.5
70.56μg/m³
PM10
70.98ppb
O3
0.61ppb
SO2
14.40ppb
NO2
0.43ppm
CO
AQI 119
Unhealthy for sensitive groups
18.30μg/m³
PM2.5
57.46μg/m³
PM10
76.45ppb
O3
0.45ppb
SO2
5.39ppb
NO2
0.38ppm
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 New Canaan, Connecticut are available every hour.
New Canaan, Connecticut experienced its worst air quality at 10:00:00, 2025-06-05.
The best air quality in New Canaan, Connecticut was observed at 04:00:00 on 2025-06-06.
The air quality in New Canaan, Connecticut right now is Moderate, with an AQI of 62.
In New Canaan, Connecticut, PM10 is the most frequently found pollutant.
When air quality in New Canaan, Connecticut is compromised, staying indoors and wearing a mask can reduce health risks.
New Canaan, Connecticut currently has a PM2.5 concentration of 14.777 μg/m3.
New Canaan, Connecticut currently has a PM10 concentration of 76.642 μg/m3.
The current carbon monoxide (CO) level in New Canaan, Connecticut is 0.377 ppm.
The current sulfur dioxide (SO2) concentration in New Canaan, Connecticut is 0.48 ppb.
New Canaan, Connecticut currently has an ozone (O3) concentration of 57.843 ppm.
The current level of nitrogen dioxide (NO2) in New Canaan, Connecticut is 13.736 ppb.
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