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)
27
Good
Windsor, Connecticut
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.24 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
17.20 μg/m³
0
55
155
255
425
605+
6.33 ppb
0
55
71
86
201
201+
0.27 ppb
0
36
76
186
605
1005+
17.55 ppb
0
54
101
361
1250
2050+
0.46 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Windsor, Connecticut
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AQI 27
Good
4.88μg/m³
PM2.5
13.59μg/m³
PM10
5.21ppb
O3
0.30ppb
SO2
18.20ppb
NO2
0.21ppm
CO
AQI 27
Good
5.25μg/m³
PM2.5
13.26μg/m³
PM10
5.47ppb
O3
0.32ppb
SO2
22.46ppb
NO2
0.21ppm
CO
AQI 22
Good
4.30μg/m³
PM2.5
11.42μg/m³
PM10
13.14ppb
O3
0.26ppb
SO2
16.98ppb
NO2
0.21ppm
CO
AQI 33
Good
5.56μg/m³
PM2.5
13.01μg/m³
PM10
5.97ppb
O3
0.32ppb
SO2
26.09ppb
NO2
0.20ppm
CO
AQI 27
Good
4.62μg/m³
PM2.5
11.43μg/m³
PM10
17.15ppb
O3
0.29ppb
SO2
18.19ppb
NO2
0.23ppm
CO
AQI 27
Good
4.98μg/m³
PM2.5
13.07μg/m³
PM10
3.27ppb
O3
0.32ppb
SO2
17.89ppb
NO2
0.21ppm
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 09:00:00, 2026-10-08.
The best air quality in Windsor, Connecticut was observed at 03:00:00 on 2026-10-09.
The air quality in Windsor, Connecticut right now is Good, with an AQI of 27.
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 5.046 μg/m3.
Windsor, Connecticut currently has a PM10 concentration of 13.319 μg/m3.
The current carbon monoxide (CO) level in Windsor, Connecticut is 0.21 ppm.
The current sulfur dioxide (SO2) concentration in Windsor, Connecticut is 0.315 ppb.
Windsor, Connecticut currently has an ozone (O3) concentration of 4.305 ppm.
The current level of nitrogen dioxide (NO2) in Windsor, Connecticut is 19.356 ppb.
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