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
4.96 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
9.44 μg/m³
0
55
155
255
425
605+
13.60 ppb
0
55
71
86
201
201+
0.40 ppb
0
36
76
186
605
1005+
8.00 ppb
0
54
101
361
1250
2050+
0.28 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Windsor, Connecticut
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AQI 27
Good
4.83μg/m³
PM2.5
10.62μg/m³
PM10
13.71ppb
O3
0.42ppb
SO2
7.46ppb
NO2
0.28ppm
CO
AQI 27
Good
5.09μg/m³
PM2.5
9.62μg/m³
PM10
15.90ppb
O3
0.40ppb
SO2
8.63ppb
NO2
0.29ppm
CO
AQI 22
Good
4.38μg/m³
PM2.5
18.83μg/m³
PM10
19.93ppb
O3
0.42ppb
SO2
6.71ppb
NO2
0.25ppm
CO
AQI 27
Good
5.28μg/m³
PM2.5
8.98μg/m³
PM10
18.15ppb
O3
0.40ppb
SO2
9.59ppb
NO2
0.30ppm
CO
AQI 22
Good
3.98μg/m³
PM2.5
9.83μg/m³
PM10
17.29ppb
O3
0.42ppb
SO2
6.82ppb
NO2
0.25ppm
CO
AQI 27
Good
4.91μg/m³
PM2.5
8.53μg/m³
PM10
12.25ppb
O3
0.40ppb
SO2
7.83ppb
NO2
0.28ppm
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 05:00:00, 2026-11-12.
The best air quality in Windsor, Connecticut was observed at 03:00:00 on 2026-11-12.
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 4.956 μg/m3.
Windsor, Connecticut currently has a PM10 concentration of 9.44 μg/m3.
The current carbon monoxide (CO) level in Windsor, Connecticut is 0.285 ppm.
The current sulfur dioxide (SO2) concentration in Windsor, Connecticut is 0.403 ppb.
Windsor, Connecticut currently has an ozone (O3) concentration of 13.603 ppm.
The current level of nitrogen dioxide (NO2) in Windsor, Connecticut is 8.001 ppb.
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