Stay updated with real-time air quality in Windsor, 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)
58
Moderate
Windsor, Connecticut
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
13.25 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
22.97 μg/m³
0
55
155
255
425
605+
15.33 ppb
0
55
71
86
201
201+
0.50 ppb
0
36
76
186
605
1005+
21.26 ppb
0
54
101
361
1250
2050+
0.47 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Windsor, Connecticut
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AQI 58
Moderate
12.96μg/m³
PM2.5
24.60μg/m³
PM10
15.28ppb
O3
0.48ppb
SO2
20.98ppb
NO2
0.46ppm
CO
AQI 60
Moderate
13.53μg/m³
PM2.5
24.47μg/m³
PM10
15.56ppb
O3
0.49ppb
SO2
23.41ppb
NO2
0.48ppm
CO
AQI 56
Moderate
12.13μg/m³
PM2.5
39.96μg/m³
PM10
15.89ppb
O3
0.43ppb
SO2
19.64ppb
NO2
0.41ppm
CO
AQI 60
Moderate
13.95μg/m³
PM2.5
24.77μg/m³
PM10
15.63ppb
O3
0.49ppb
SO2
25.84ppb
NO2
0.50ppm
CO
AQI 60
Moderate
13.85μg/m³
PM2.5
58.32μg/m³
PM10
21.66ppb
O3
0.47ppb
SO2
19.39ppb
NO2
0.42ppm
CO
AQI 58
Moderate
13.22μg/m³
PM2.5
20.95μg/m³
PM10
15.20ppb
O3
0.51ppb
SO2
20.08ppb
NO2
0.47ppm
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 Windsor, Connecticut are available every hour.
Windsor, Connecticut experienced its worst air quality at 12:00:00, 2025-12-14.
The best air quality in Windsor, Connecticut was observed at 08:00:00 on 2025-12-13.
The air quality in Windsor, Connecticut right now is Moderate, with an AQI of 58.
In Windsor, Connecticut, PM2.5 is the most frequently found pollutant.
When air quality in Windsor, Connecticut is compromised, staying indoors and wearing a mask can reduce health risks.
Windsor, Connecticut currently has a PM2.5 concentration of 13.254 μg/m3.
Windsor, Connecticut currently has a PM10 concentration of 22.974 μg/m3.
The current carbon monoxide (CO) level in Windsor, Connecticut is 0.467 ppm.
The current sulfur dioxide (SO2) concentration in Windsor, Connecticut is 0.498 ppb.
Windsor, Connecticut currently has an ozone (O3) concentration of 15.33 ppm.
The current level of nitrogen dioxide (NO2) in Windsor, Connecticut is 21.263 ppb.
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