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)
56
Moderate
New Canaan, Connecticut
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
11.77 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
55.18 μg/m³
0
55
155
255
425
605+
25.81 ppb
0
55
71
86
201
201+
0.62 ppb
0
36
76
186
605
1005+
22.87 ppb
0
54
101
361
1250
2050+
0.32 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
New Canaan, Connecticut
New Canaan, Connecticut
Scroll To Air Quality MapLoading...
AQI 97
Moderate
34.17μg/m³
PM2.5
60.18μg/m³
PM10
38.89ppb
O3
1.48ppb
SO2
5.10ppb
NO2
0.51ppm
CO
AQI 97
Moderate
34.35μg/m³
PM2.5
98.49μg/m³
PM10
45.99ppb
O3
1.48ppb
SO2
5.29ppb
NO2
0.51ppm
CO
AQI 97
Moderate
34.34μg/m³
PM2.5
122.40μg/m³
PM10
46.34ppb
O3
1.84ppb
SO2
3.40ppb
NO2
0.51ppm
CO
AQI 96
Moderate
32.76μg/m³
PM2.5
55.19μg/m³
PM10
38.50ppb
O3
1.26ppb
SO2
6.01ppb
NO2
0.51ppm
CO
AQI 82
Moderate
26.16μg/m³
PM2.5
104.83μg/m³
PM10
42.48ppb
O3
1.38ppb
SO2
5.96ppb
NO2
0.52ppm
CO
AQI 97
Moderate
34.48μg/m³
PM2.5
111.73μg/m³
PM10
46.49ppb
O3
1.89ppb
SO2
3.67ppb
NO2
0.50ppm
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 12:00:00, 2025-07-27.
The best air quality in New Canaan, Connecticut was observed at 09:00:00 on 2025-07-27.
The air quality in New Canaan, Connecticut right now is Moderate, with an AQI of 84.
In New Canaan, Connecticut, PM2.5 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 27.192 μg/m3.
New Canaan, Connecticut currently has a PM10 concentration of 116.184 μg/m3.
The current carbon monoxide (CO) level in New Canaan, Connecticut is 0.51 ppm.
The current sulfur dioxide (SO2) concentration in New Canaan, Connecticut is 1.313 ppb.
New Canaan, Connecticut currently has an ozone (O3) concentration of 41.356 ppm.
The current level of nitrogen dioxide (NO2) in New Canaan, Connecticut is 5.948 ppb.
All Rights Reserved © Ambee Inc. 2025