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

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.83 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
10.62 μg/m³
0
55
155
255
425
605+
13.71 ppb
0
55
71
86
201
201+
0.42 ppb
0
36
76
186
605
1005+
7.46 ppb
0
54
101
361
1250
2050+
0.28 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
South Windsor, Connecticut
South Windsor, Connecticut
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AQI 27
Good
4.96μg/m³
PM2.5
9.44μg/m³
PM10
13.60ppb
O3
0.40ppb
SO2
8.00ppb
NO2
0.28ppm
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 22
Good
4.08μg/m³
PM2.5
9.91μg/m³
PM10
22.54ppb
O3
0.40ppb
SO2
5.52ppb
NO2
0.26ppm
CO
AQI 27
Good
4.52μg/m³
PM2.5
8.64μg/m³
PM10
17.64ppb
O3
0.40ppb
SO2
6.15ppb
NO2
0.27ppm
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
AQI 22
Good
4.38μg/m³
PM2.5
18.83μg/m³
PM10
19.93ppb
O3
0.42ppb
SO2
6.71ppb
NO2
0.25ppm
CO
Air quality data and pollutant measurements for Connecticut, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for South Windsor, Connecticut is updated every hour.
The worst air quality in South Windsor, Connecticut in the last 24 hours was observed at 05:00:00 on 2026-11-12.
In the last 24 hrs, the best air quality in South Windsor, Connecticut was observed at 03:00:00 on 2026-11-12.
The current air quality in South Windsor, Connecticut is 27, categorized as Good based on real-time data.
The most common pollutant in South Windsor, Connecticut is PM2.5.
If the air quality in South Windsor, Connecticut is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at South Windsor, Connecticut is 4.832 μg/m3.
The current PM10 concentration at South Windsor, Connecticut is 10.616 μg/m3.
The current carbon monoxide (CO) concentration at South Windsor, Connecticut is 0.278 ppm.
The current sulfur dioxide (SO2) concentration at South Windsor, Connecticut is 0.417 ppb.
The current ozone (O3) concentration at South Windsor, Connecticut is 13.707 ppm.
The current nitrogen dioxide (NO2) concentration at South Windsor, Connecticut is 7.465 ppb.
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