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)
56
Moderate
Southington, Connecticut
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
11.92 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
41.82 μg/m³
0
55
155
255
425
605+
37.36 ppb
0
55
71
86
201
201+
0.29 ppb
0
36
76
186
605
1005+
5.10 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Southington, Connecticut
Southington, Connecticut
Scroll To Air Quality MapLoading...
AQI 56
Moderate
11.68μg/m³
PM2.5
53.18μg/m³
PM10
39.91ppb
O3
0.31ppb
SO2
5.65ppb
NO2
0.20ppm
CO
AQI 56
Moderate
11.64μg/m³
PM2.5
41.93μg/m³
PM10
33.41ppb
O3
0.28ppb
SO2
4.80ppb
NO2
0.17ppm
CO
AQI 56
Moderate
11.84μg/m³
PM2.5
22.11μg/m³
PM10
36.09ppb
O3
0.31ppb
SO2
6.28ppb
NO2
0.20ppm
CO
AQI 56
Moderate
11.67μg/m³
PM2.5
41.50μg/m³
PM10
39.22ppb
O3
0.32ppb
SO2
6.42ppb
NO2
0.22ppm
CO
AQI 56
Moderate
11.61μg/m³
PM2.5
41.76μg/m³
PM10
35.11ppb
O3
0.29ppb
SO2
4.88ppb
NO2
0.18ppm
CO
AQI 56
Moderate
12.04μg/m³
PM2.5
37.85μg/m³
PM10
39.77ppb
O3
0.28ppb
SO2
4.42ppb
NO2
0.15ppm
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 03:00:00 on 2026-06-29.
The best air quality in Southington, Connecticut was recorded at 10:00:00 on 2026-06-29.
The real-time air quality index in Southington, Connecticut is 56, currently categorized as Moderate.
The most common pollutant in Southington, Connecticut is PM2.5.
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 11.924 μg/m3.
The current PM10 levels in Southington, Connecticut are 41.82 μg/m3.
The current carbon monoxide (CO) level in Southington, Connecticut is 0.181 ppm.
The current sulfur dioxide (SO2) levels in Southington, Connecticut are 0.293 ppb.
The current ozone (O3) levels at Southington, Connecticut is 37.358 ppm.
The current nitrogen dioxide (NO2) levels at Southington, Connecticut is 5.103 ppb.
All Rights Reserved © Ambee Inc. 2025