Stay updated with real-time air quality in Weston, 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
Weston, Connecticut
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
12.06 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
44.50 μg/m³
0
55
155
255
425
605+
18.76 ppb
0
55
71
86
201
201+
0.63 ppb
0
36
76
186
605
1005+
17.09 ppb
0
54
101
361
1250
2050+
0.30 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Weston, Connecticut
Weston, Connecticut
Scroll To Air Quality MapLoading...
AQI 62
Moderate
15.00μg/m³
PM2.5
68.82μg/m³
PM10
40.99ppb
O3
0.81ppb
SO2
9.62ppb
NO2
0.36ppm
CO
AQI 67
Moderate
14.28μg/m³
PM2.5
40.80μg/m³
PM10
59.73ppb
O3
0.81ppb
SO2
4.33ppb
NO2
0.37ppm
CO
AQI 67
Moderate
14.29μg/m³
PM2.5
41.52μg/m³
PM10
60.07ppb
O3
0.84ppb
SO2
5.19ppb
NO2
0.37ppm
CO
AQI 58
Moderate
13.46μg/m³
PM2.5
58.36μg/m³
PM10
42.13ppb
O3
0.82ppb
SO2
8.69ppb
NO2
0.36ppm
CO
AQI 62
Moderate
15.16μg/m³
PM2.5
32.27μg/m³
PM10
58.22ppb
O3
0.92ppb
SO2
7.45ppb
NO2
0.39ppm
CO
AQI 60
Moderate
13.90μg/m³
PM2.5
68.72μg/m³
PM10
40.41ppb
O3
0.81ppb
SO2
8.43ppb
NO2
0.35ppm
CO
Air quality measurements for Connecticut, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Weston, Connecticut is updated on an hourly basis.
The worst air quality in Weston, Connecticut was recorded at 02:00:00 on 2025-07-29.
The best air quality in Weston, Connecticut was recorded at 10:00:00 on 2025-07-28.
The real-time air quality index in Weston, Connecticut is 62, currently categorized as Moderate.
The most common pollutant in Weston, Connecticut is PM2.5.
If the air quality in Weston, Connecticut is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Weston, Connecticut at present are 14.523 μg/m3.
The current PM10 levels in Weston, Connecticut are 38.473 μg/m3.
The current carbon monoxide (CO) level in Weston, Connecticut is 0.375 ppm.
The current sulfur dioxide (SO2) levels in Weston, Connecticut are 0.835 ppb.
The current ozone (O3) levels at Weston, Connecticut is 57.201 ppm.
The current nitrogen dioxide (NO2) levels at Weston, Connecticut is 5.946 ppb.
All Rights Reserved © Ambee Inc. 2025