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)
24
Good
Southington, Connecticut
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.12 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
8.52 μg/m³
0
55
155
255
425
605+
26.29 ppb
0
55
71
86
201
201+
0.16 ppb
0
36
76
186
605
1005+
3.15 ppb
0
54
101
361
1250
2050+
0.12 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Southington, Connecticut
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AQI 28
Good
2.53μg/m³
PM2.5
9.12μg/m³
PM10
29.54ppb
O3
0.21ppb
SO2
3.96ppb
NO2
0.14ppm
CO
AQI 26
Good
2.92μg/m³
PM2.5
11.06μg/m³
PM10
28.04ppb
O3
0.22ppb
SO2
3.54ppb
NO2
0.14ppm
CO
AQI 26
Good
2.45μg/m³
PM2.5
8.40μg/m³
PM10
28.20ppb
O3
0.21ppb
SO2
3.70ppb
NO2
0.14ppm
CO
AQI 28
Good
2.53μg/m³
PM2.5
10.79μg/m³
PM10
30.21ppb
O3
0.21ppb
SO2
4.03ppb
NO2
0.14ppm
CO
AQI 26
Good
2.90μg/m³
PM2.5
11.05μg/m³
PM10
27.97ppb
O3
0.22ppb
SO2
3.31ppb
NO2
0.14ppm
CO
AQI 26
Good
2.97μg/m³
PM2.5
11.06μg/m³
PM10
27.82ppb
O3
0.22ppb
SO2
3.62ppb
NO2
0.13ppm
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 11:00:00 on 2026-02-11.
The best air quality in Southington, Connecticut was recorded at 03:00:00 on 2026-02-12.
The real-time air quality index in Southington, Connecticut is 24, 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 3.115 μg/m3.
The current PM10 levels in Southington, Connecticut are 8.52 μg/m3.
The current carbon monoxide (CO) level in Southington, Connecticut is 0.121 ppm.
The current sulfur dioxide (SO2) levels in Southington, Connecticut are 0.16 ppb.
The current ozone (O3) levels at Southington, Connecticut is 26.286 ppm.
The current nitrogen dioxide (NO2) levels at Southington, Connecticut is 3.149 ppb.
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