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)
33
Good
Windsor, Connecticut
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.04 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
15.93 μg/m³
0
55
155
255
425
605+
36.17 ppb
0
55
71
86
201
201+
0.22 ppb
0
36
76
186
605
1005+
14.32 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 36
Good
5.38μg/m³
PM2.5
15.60μg/m³
PM10
38.84ppb
O3
0.23ppb
SO2
10.56ppb
NO2
0.21ppm
CO
AQI 35
Good
6.42μg/m³
PM2.5
18.38μg/m³
PM10
38.10ppb
O3
0.23ppb
SO2
14.65ppb
NO2
0.20ppm
CO
AQI 32
Good
5.00μg/m³
PM2.5
17.59μg/m³
PM10
35.19ppb
O3
0.21ppb
SO2
10.04ppb
NO2
0.19ppm
CO
AQI 38
Good
7.37μg/m³
PM2.5
21.52μg/m³
PM10
37.48ppb
O3
0.23ppb
SO2
18.72ppb
NO2
0.20ppm
CO
AQI 34
Good
4.98μg/m³
PM2.5
17.63μg/m³
PM10
37.34ppb
O3
0.23ppb
SO2
9.51ppb
NO2
0.23ppm
CO
AQI 36
Good
5.38μg/m³
PM2.5
13.96μg/m³
PM10
38.77ppb
O3
0.23ppb
SO2
9.66ppb
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 10:00:00, 2026-05-13.
The best air quality in Windsor, Connecticut was observed at 12:00:00 on 2026-05-13.
The air quality in Windsor, Connecticut right now is Good, with an AQI of 33.
In Windsor, Connecticut, O3 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 6.035 μg/m3.
Windsor, Connecticut currently has a PM10 concentration of 15.933 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 0.216 ppb.
Windsor, Connecticut currently has an ozone (O3) concentration of 36.175 ppm.
The current level of nitrogen dioxide (NO2) in Windsor, Connecticut is 14.324 ppb.
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