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
12.74 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
21.11 μg/m³
0
55
155
255
425
605+
40.87 ppb
0
55
71
86
201
201+
0.25 ppb
0
36
76
186
605
1005+
2.72 ppb
0
54
101
361
1250
2050+
0.12 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Windsor, Connecticut
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AQI 56
Moderate
11.82μg/m³
PM2.5
24.91μg/m³
PM10
32.91ppb
O3
0.26ppb
SO2
3.24ppb
NO2
0.12ppm
CO
AQI 56
Moderate
11.63μg/m³
PM2.5
22.89μg/m³
PM10
33.97ppb
O3
0.26ppb
SO2
3.90ppb
NO2
0.11ppm
CO
AQI 54
Moderate
11.38μg/m³
PM2.5
25.18μg/m³
PM10
29.59ppb
O3
0.25ppb
SO2
2.86ppb
NO2
0.14ppm
CO
AQI 54
Moderate
11.43μg/m³
PM2.5
21.00μg/m³
PM10
34.72ppb
O3
0.27ppb
SO2
4.51ppb
NO2
0.10ppm
CO
AQI 54
Moderate
11.42μg/m³
PM2.5
24.38μg/m³
PM10
30.32ppb
O3
0.26ppb
SO2
3.12ppb
NO2
0.14ppm
CO
AQI 56
Moderate
11.87μg/m³
PM2.5
20.88μg/m³
PM10
33.39ppb
O3
0.26ppb
SO2
3.09ppb
NO2
0.12ppm
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 03:00:00, 2026-06-29.
The best air quality in Windsor, Connecticut was observed at 02:00:00 on 2026-06-29.
The air quality in Windsor, Connecticut right now is Moderate, with an AQI of 56.
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 11.827 μg/m3.
Windsor, Connecticut currently has a PM10 concentration of 22.273 μg/m3.
The current carbon monoxide (CO) level in Windsor, Connecticut is 0.117 ppm.
The current sulfur dioxide (SO2) concentration in Windsor, Connecticut is 0.262 ppb.
Windsor, Connecticut currently has an ozone (O3) concentration of 33.452 ppm.
The current level of nitrogen dioxide (NO2) in Windsor, Connecticut is 3.33 ppb.
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