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

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.90 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
13.30 μg/m³
0
55
155
255
425
605+
36.13 ppb
0
55
71
86
201
201+
0.32 ppb
0
36
76
186
605
1005+
13.20 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Southington, Connecticut
Southington, Connecticut
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AQI 33
Good
6.13μg/m³
PM2.5
13.54μg/m³
PM10
32.34ppb
O3
0.34ppb
SO2
10.94ppb
NO2
0.19ppm
CO
AQI 33
Good
5.88μg/m³
PM2.5
13.56μg/m³
PM10
34.88ppb
O3
0.24ppb
SO2
11.09ppb
NO2
0.19ppm
CO
AQI 31
Good
5.45μg/m³
PM2.5
13.39μg/m³
PM10
33.14ppb
O3
0.35ppb
SO2
10.87ppb
NO2
0.19ppm
CO
AQI 33
Good
5.86μg/m³
PM2.5
13.89μg/m³
PM10
35.34ppb
O3
0.35ppb
SO2
10.74ppb
NO2
0.19ppm
CO
AQI 33
Good
6.17μg/m³
PM2.5
13.59μg/m³
PM10
34.69ppb
O3
0.33ppb
SO2
11.13ppb
NO2
0.18ppm
CO
AQI 33
Good
5.95μg/m³
PM2.5
13.50μg/m³
PM10
33.08ppb
O3
0.24ppb
SO2
11.09ppb
NO2
0.21ppm
CO
Air quality measurements for Connecticut, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Southington, Connecticut is updated on an hourly basis.
The worst air quality in Southington, Connecticut was recorded at 10:00:00 on 2026-05-13.
The best air quality in Southington, Connecticut was recorded at 12:00:00 on 2026-05-13.
The real-time air quality index in Southington, Connecticut is 33, currently categorized as Good.
The most common pollutant in Southington, Connecticut is O3.
If the air quality in Southington, Connecticut is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Southington, Connecticut at present are 5.897 μg/m3.
The current PM10 levels in Southington, Connecticut are 13.302 μg/m3.
The current carbon monoxide (CO) level in Southington, Connecticut is 0.224 ppm.
The current sulfur dioxide (SO2) levels in Southington, Connecticut are 0.315 ppb.
The current ozone (O3) levels at Southington, Connecticut is 36.128 ppm.
The current nitrogen dioxide (NO2) levels at Southington, Connecticut is 13.195 ppb.
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